139312660

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{5273}}^1$

素因数の和:6603

約数の個数: 24

約数和(自身を含む): 292833576

約数和(自身を除く): 153520916

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 5273, 5284, 6605, 10546, 13210, 21092, 26365, 26420, 52730, 105460, 6965633, 13931266, 27862532, 34828165, 69656330, 139312660]

約数ペア:

[(1, 139312660), (2, 69656330), (4, 34828165), (5, 27862532), (10, 13931266), (20, 6965633), (1321, 105460), (2642, 52730), (5273, 26420), (5284, 26365), (6605, 21092), (10546, 13210)]