15728540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18289}}^1$

素因数の和:18341

約数の個数: 24

約数和(自身を含む): 33799920

約数和(自身を除く): 18071380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 18289, 36578, 73156, 91445, 182890, 365780, 786427, 1572854, 3145708, 3932135, 7864270, 15728540]

約数ペア:

[(1, 15728540), (2, 7864270), (4, 3932135), (5, 3145708), (10, 1572854), (20, 786427), (43, 365780), (86, 182890), (172, 91445), (215, 73156), (430, 36578), (860, 18289)]