31121080

素因数分解:

$2^3\times 5^1\times {\mathrm{778027}}^1$

素因数の和:778038

約数の個数: 16

約数和(自身を含む): 70022520

約数和(自身を除く): 38901440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 778027, 1556054, 3112108, 3890135, 6224216, 7780270, 15560540, 31121080]

約数ペア:

[(1, 31121080), (2, 15560540), (4, 7780270), (5, 6224216), (8, 3890135), (10, 3112108), (20, 1556054), (40, 778027)]