855108080

素因数分解:

$2^4\times 5^1\times {\mathrm{10688851}}^1$

素因数の和:10688864

約数の個数: 20

約数和(自身を含む): 1988126472

約数和(自身を除く): 1133018392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10688851, 21377702, 42755404, 53444255, 85510808, 106888510, 171021616, 213777020, 427554040, 855108080]

約数ペア:

[(1, 855108080), (2, 427554040), (4, 213777020), (5, 171021616), (8, 106888510), (10, 85510808), (16, 53444255), (20, 42755404), (40, 21377702), (80, 10688851)]