39990910

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4871}}^1$

素因数の和:5699

約数の個数: 16

約数和(自身を含む): 72086112

約数和(自身を除く): 32095202

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 4871, 8210, 9742, 24355, 48710, 3999091, 7998182, 19995455, 39990910]

約数ペア:

[(1, 39990910), (2, 19995455), (5, 7998182), (10, 3999091), (821, 48710), (1642, 24355), (4105, 9742), (4871, 8210)]