57322220

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3491}}^1$

素因数の和:4321

約数の個数: 24

約数和(自身を含む): 120557808

約数和(自身を除く): 63235588

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 3491, 4105, 6982, 8210, 13964, 16420, 17455, 34910, 69820, 2866111, 5732222, 11464444, 14330555, 28661110, 57322220]

約数ペア:

[(1, 57322220), (2, 28661110), (4, 14330555), (5, 11464444), (10, 5732222), (20, 2866111), (821, 69820), (1642, 34910), (3284, 17455), (3491, 16420), (4105, 13964), (6982, 8210)]