87423380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397379}}^1$

素因数の和:397399

約数の個数: 24

約数和(自身を含む): 200279520

約数和(自身を除く): 112856140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397379, 794758, 1589516, 1986895, 3973790, 4371169, 7947580, 8742338, 17484676, 21855845, 43711690, 87423380]

約数ペア:

[(1, 87423380), (2, 43711690), (4, 21855845), (5, 17484676), (10, 8742338), (11, 7947580), (20, 4371169), (22, 3973790), (44, 1986895), (55, 1589516), (110, 794758), (220, 397379)]