39905080

素因数分解:

$2^3\times 5^1\times {\mathrm{997627}}^1$

素因数の和:997638

約数の個数: 16

約数和(自身を含む): 89786520

約数和(自身を除く): 49881440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997627, 1995254, 3990508, 4988135, 7981016, 9976270, 19952540, 39905080]

約数ペア:

[(1, 39905080), (2, 19952540), (4, 9976270), (5, 7981016), (8, 4988135), (10, 3990508), (20, 1995254), (40, 997627)]