12761550740

素因数分解:

$2^2\times 5^1\times {\mathrm{638077537}}^1$

素因数の和:638077546

約数の個数: 12

約数和(自身を含む): 26799256596

約数和(自身を除く): 14037705856

約数列:

[1, 2, 4, 5, 10, 20, 638077537, 1276155074, 2552310148, 3190387685, 6380775370, 12761550740]

約数ペア:

[(1, 12761550740), (2, 6380775370), (4, 3190387685), (5, 2552310148), (10, 1276155074), (20, 638077537)]