1625353640

素因数分解:

$2^3\times 5^1\times {\mathrm{40633841}}^1$

素因数の和:40633852

約数の個数: 16

約数和(自身を含む): 3657045780

約数和(自身を除く): 2031692140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 40633841, 81267682, 162535364, 203169205, 325070728, 406338410, 812676820, 1625353640]

約数ペア:

[(1, 1625353640), (2, 812676820), (4, 406338410), (5, 325070728), (8, 203169205), (10, 162535364), (20, 81267682), (40, 40633841)]