12468880

素因数分解:

$2^4\times 5^1\times {\mathrm{155861}}^1$

素因数の和:155874

約数の個数: 20

約数和(自身を含む): 28990332

約数和(自身を除く): 16521452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155861, 311722, 623444, 779305, 1246888, 1558610, 2493776, 3117220, 6234440, 12468880]

約数ペア:

[(1, 12468880), (2, 6234440), (4, 3117220), (5, 2493776), (8, 1558610), (10, 1246888), (16, 779305), (20, 623444), (40, 311722), (80, 155861)]