3997180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18169}}^1$

素因数の和:18189

約数の個数: 24

約数和(自身を含む): 9157680

約数和(自身を除く): 5160500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 18169, 36338, 72676, 90845, 181690, 199859, 363380, 399718, 799436, 999295, 1998590, 3997180]

約数ペア:

[(1, 3997180), (2, 1998590), (4, 999295), (5, 799436), (10, 399718), (11, 363380), (20, 199859), (22, 181690), (44, 90845), (55, 72676), (110, 36338), (220, 18169)]