520300540

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{31687}}^1$

素因数の和:32517

約数の個数: 24

約数和(自身を含む): 1093996512

約数和(自身を除く): 573695972

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 16420, 31687, 63374, 126748, 158435, 316870, 633740, 26015027, 52030054, 104060108, 130075135, 260150270, 520300540]

約数ペア:

[(1, 520300540), (2, 260150270), (4, 130075135), (5, 104060108), (10, 52030054), (20, 26015027), (821, 633740), (1642, 316870), (3284, 158435), (4105, 126748), (8210, 63374), (16420, 31687)]