87179420

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{3541}}^1$

素因数の和:4781

約数の個数: 24

約数和(自身を含む): 183277248

約数和(自身を除く): 96097828

約数列:

[1, 2, 4, 5, 10, 20, 1231, 2462, 3541, 4924, 6155, 7082, 12310, 14164, 17705, 24620, 35410, 70820, 4358971, 8717942, 17435884, 21794855, 43589710, 87179420]

約数ペア:

[(1, 87179420), (2, 43589710), (4, 21794855), (5, 17435884), (10, 8717942), (20, 4358971), (1231, 70820), (2462, 35410), (3541, 24620), (4924, 17705), (6155, 14164), (7082, 12310)]