15388540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10837}}^1$

素因数の和:10917

約数の個数: 24

約数和(自身を含む): 32774112

約数和(自身を除く): 17385572

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 10837, 21674, 43348, 54185, 108370, 216740, 769427, 1538854, 3077708, 3847135, 7694270, 15388540]

約数ペア:

[(1, 15388540), (2, 7694270), (4, 3847135), (5, 3077708), (10, 1538854), (20, 769427), (71, 216740), (142, 108370), (284, 54185), (355, 43348), (710, 21674), (1420, 10837)]