61886980

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3769}}^1$

素因数の和:4599

約数の個数: 24

約数和(自身を含む): 130155480

約数和(自身を除く): 68268500

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 3769, 4105, 7538, 8210, 15076, 16420, 18845, 37690, 75380, 3094349, 6188698, 12377396, 15471745, 30943490, 61886980]

約数ペア:

[(1, 61886980), (2, 30943490), (4, 15471745), (5, 12377396), (10, 6188698), (20, 3094349), (821, 75380), (1642, 37690), (3284, 18845), (3769, 16420), (4105, 15076), (7538, 8210)]