40040620

素因数分解:

$2^2\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{1471}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 84204288

約数和(自身を除く): 44163668

約数列:

[1, 2, 4, 5, 10, 20, 1361, 1471, 2722, 2942, 5444, 5884, 6805, 7355, 13610, 14710, 27220, 29420, 2002031, 4004062, 8008124, 10010155, 20020310, 40040620]

約数ペア:

[(1, 40040620), (2, 20020310), (4, 10010155), (5, 8008124), (10, 4004062), (20, 2002031), (1361, 29420), (1471, 27220), (2722, 14710), (2942, 13610), (5444, 7355), (5884, 6805)]