51212180

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{2441}}^1$

素因数の和:3499

約数の個数: 24

約数和(自身を含む): 107692200

約数和(自身を除く): 56480020

約数列:

[1, 2, 4, 5, 10, 20, 1049, 2098, 2441, 4196, 4882, 5245, 9764, 10490, 12205, 20980, 24410, 48820, 2560609, 5121218, 10242436, 12803045, 25606090, 51212180]

約数ペア:

[(1, 51212180), (2, 25606090), (4, 12803045), (5, 10242436), (10, 5121218), (20, 2560609), (1049, 48820), (2098, 24410), (2441, 20980), (4196, 12205), (4882, 10490), (5245, 9764)]