39615880

素因数分解:

$2^3\times 5^1\times {\mathrm{990397}}^1$

素因数の和:990408

約数の個数: 16

約数和(自身を含む): 89135820

約数和(自身を除く): 49519940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 990397, 1980794, 3961588, 4951985, 7923176, 9903970, 19807940, 39615880]

約数ペア:

[(1, 39615880), (2, 19807940), (4, 9903970), (5, 7923176), (8, 4951985), (10, 3961588), (20, 1980794), (40, 990397)]