68665420

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{5441}}^1$

素因数の和:6081

約数の個数: 24

約数和(自身を含む): 144452448

約数和(自身を除く): 75787028

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 5441, 6310, 10882, 12620, 21764, 27205, 54410, 108820, 3433271, 6866542, 13733084, 17166355, 34332710, 68665420]

約数ペア:

[(1, 68665420), (2, 34332710), (4, 17166355), (5, 13733084), (10, 6866542), (20, 3433271), (631, 108820), (1262, 54410), (2524, 27205), (3155, 21764), (5441, 12620), (6310, 10882)]