12957080

素因数分解:

$2^3\times 5^1\times {\mathrm{323927}}^1$

素因数の和:323938

約数の個数: 16

約数和(自身を含む): 29153520

約数和(自身を除く): 16196440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 323927, 647854, 1295708, 1619635, 2591416, 3239270, 6478540, 12957080]

約数ペア:

[(1, 12957080), (2, 6478540), (4, 3239270), (5, 2591416), (8, 1619635), (10, 1295708), (20, 647854), (40, 323927)]