68552180

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{13337}}^1$

素因数の和:13603

約数の個数: 24

約数和(自身を含む): 144530568

約数和(自身を除く): 75978388

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 13337, 26674, 53348, 66685, 133370, 266740, 3427609, 6855218, 13710436, 17138045, 34276090, 68552180]

約数ペア:

[(1, 68552180), (2, 34276090), (4, 17138045), (5, 13710436), (10, 6855218), (20, 3427609), (257, 266740), (514, 133370), (1028, 66685), (1285, 53348), (2570, 26674), (5140, 13337)]