13909360

素因数分解:

$2^4\times 5^1\times {\mathrm{173867}}^1$

素因数の和:173880

約数の個数: 20

約数和(自身を含む): 32339448

約数和(自身を除く): 18430088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173867, 347734, 695468, 869335, 1390936, 1738670, 2781872, 3477340, 6954680, 13909360]

約数ペア:

[(1, 13909360), (2, 6954680), (4, 3477340), (5, 2781872), (8, 1738670), (10, 1390936), (16, 869335), (20, 695468), (40, 347734), (80, 173867)]