Find the total number of different divisors of 2525

Let f(n)=sum_(r=0)^(n)sum_(k=r)^(n)([kr]). Find the total number of divisors of f(9)

Let f(n)=sum_(r=0)^nsum_(k=r)^n(kC r) Find the total number of divisors of f(9)dot

Let f(n)=sum_(r=0)^nsum_(k=r)^n(k r)dot Find the total number of divisors of f(9)dot

Find the total number of different products obtained when is heated strongly.

Find the number of even divisors of 720.

If n=10800, then find the a. total number of divisors of n. (b) The numberof even divisors. (c) The number of divisors of the form 4m+2. (d) The number of divisors which are multiples of 15.

If n=10800, then find the a. total number of divisors of n. (b) The numberof even divisors. (c) The number of divisors of the form 4m+2. (d) The number of divisors which are multiples of 15.

Find the number of positive divisors of 540.

Find the number of positive divisors of 1080