12886760

素因数分解:

$2^3\times 5^1\times {\mathrm{322169}}^1$

素因数の和:322180

約数の個数: 16

約数和(自身を含む): 28995300

約数和(自身を除く): 16108540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 322169, 644338, 1288676, 1610845, 2577352, 3221690, 6443380, 12886760]

約数ペア:

[(1, 12886760), (2, 6443380), (4, 3221690), (5, 2577352), (8, 1610845), (10, 1288676), (20, 644338), (40, 322169)]