15897640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36131}}^1$

素因数の和:36153

約数の個数: 32

約数和(自身を含む): 39022560

約数和(自身を除く): 23124920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 36131, 72262, 144524, 180655, 289048, 361310, 397441, 722620, 794882, 1445240, 1589764, 1987205, 3179528, 3974410, 7948820, 15897640]

約数ペア:

[(1, 15897640), (2, 7948820), (4, 3974410), (5, 3179528), (8, 1987205), (10, 1589764), (11, 1445240), (20, 794882), (22, 722620), (40, 397441), (44, 361310), (55, 289048), (88, 180655), (110, 144524), (220, 72262), (440, 36131)]