140661580

素因数分解:

$2^2\times 5^1\times {\mathrm{2647}}^1\times {\mathrm{2657}}^1$

素因数の和:5313

約数の個数: 24

約数和(自身を含む): 295612128

約数和(自身を除く): 154950548

約数列:

[1, 2, 4, 5, 10, 20, 2647, 2657, 5294, 5314, 10588, 10628, 13235, 13285, 26470, 26570, 52940, 53140, 7033079, 14066158, 28132316, 35165395, 70330790, 140661580]

約数ペア:

[(1, 140661580), (2, 70330790), (4, 35165395), (5, 28132316), (10, 14066158), (20, 7033079), (2647, 53140), (2657, 52940), (5294, 26570), (5314, 26470), (10588, 13285), (10628, 13235)]