Question

for number 7400 the sum and number of factor divisible by 25​

Answer 1

Step-by-step explanation:

7400 = 5²×2³× 37

Sum of factors= 5²×(2⁰+2¹+2²+2³)(37⁰+37¹)

= 25 × 15 × 38 = 14250

Therefore Number of factors divisible by 25 is

=1×(1+3)×(1+1) = 8