39139640

素因数分解:

$2^3\times 5^1\times {\mathrm{978491}}^1$

素因数の和:978502

約数の個数: 16

約数和(自身を含む): 88064280

約数和(自身を除く): 48924640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 978491, 1956982, 3913964, 4892455, 7827928, 9784910, 19569820, 39139640]

約数ペア:

[(1, 39139640), (2, 19569820), (4, 9784910), (5, 7827928), (8, 4892455), (10, 3913964), (20, 1956982), (40, 978491)]