15803140

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1289}}^1$

素因数の和:1911

約数の個数: 24

約数和(自身を含む): 33266520

約数和(自身を除く): 17463380

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1289, 2452, 2578, 3065, 5156, 6130, 6445, 12260, 12890, 25780, 790157, 1580314, 3160628, 3950785, 7901570, 15803140]

約数ペア:

[(1, 15803140), (2, 7901570), (4, 3950785), (5, 3160628), (10, 1580314), (20, 790157), (613, 25780), (1226, 12890), (1289, 12260), (2452, 6445), (2578, 6130), (3065, 5156)]