70129820

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4271}}^1$

素因数の和:5101

約数の個数: 24

約数和(自身を含む): 147486528

約数和(自身を除く): 77356708

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 4271, 8210, 8542, 16420, 17084, 21355, 42710, 85420, 3506491, 7012982, 14025964, 17532455, 35064910, 70129820]

約数ペア:

[(1, 70129820), (2, 35064910), (4, 17532455), (5, 14025964), (10, 7012982), (20, 3506491), (821, 85420), (1642, 42710), (3284, 21355), (4105, 17084), (4271, 16420), (8210, 8542)]