400 has 15 divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400.
15
400's divisors are 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400.
None of the positive common divisors of those numbers are multiples of 10.
The divisors of 800 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800.
Divisors are used to divide numbers.
2,4,8 (1 and 16 are divisors too, but the number and 1 are always divisors)
136 has eight divisors.
The divisors of 41231 are: 1, 41231.
12 has six divisors.
The divisors of 61 are: 1, 61
320 has 14 divisors.
The divisors of 79 are: 1, 79.