31330160

素因数分解:

$2^4\times 5^1\times {\mathrm{391627}}^1$

素因数の和:391640

約数の個数: 20

約数和(自身を含む): 72842808

約数和(自身を除く): 41512648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 391627, 783254, 1566508, 1958135, 3133016, 3916270, 6266032, 7832540, 15665080, 31330160]

約数ペア:

[(1, 31330160), (2, 15665080), (4, 7832540), (5, 6266032), (8, 3916270), (10, 3133016), (16, 1958135), (20, 1566508), (40, 783254), (80, 391627)]