87396980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397259}}^1$

素因数の和:397279

約数の個数: 24

約数和(自身を含む): 200219040

約数和(自身を除く): 112822060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397259, 794518, 1589036, 1986295, 3972590, 4369849, 7945180, 8739698, 17479396, 21849245, 43698490, 87396980]

約数ペア:

[(1, 87396980), (2, 43698490), (4, 21849245), (5, 17479396), (10, 8739698), (11, 7945180), (20, 4369849), (22, 3972590), (44, 1986295), (55, 1589036), (110, 794518), (220, 397259)]