13939960

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3257}}^1$

素因数の和:3375

約数の個数: 32

約数和(自身を含む): 31667760

約数和(自身を除く): 17727800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 3257, 4280, 6514, 13028, 16285, 26056, 32570, 65140, 130280, 348499, 696998, 1393996, 1742495, 2787992, 3484990, 6969980, 13939960]

約数ペア:

[(1, 13939960), (2, 6969980), (4, 3484990), (5, 2787992), (8, 1742495), (10, 1393996), (20, 696998), (40, 348499), (107, 130280), (214, 65140), (428, 32570), (535, 26056), (856, 16285), (1070, 13028), (2140, 6514), (3257, 4280)]