12405787480

素因数分解:

$2^3\times 5^1\times {\mathrm{310144687}}^1$

素因数の和:310144698

約数の個数: 16

約数和(自身を含む): 27913021920

約数和(自身を除く): 15507234440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 310144687, 620289374, 1240578748, 1550723435, 2481157496, 3101446870, 6202893740, 12405787480]

約数ペア:

[(1, 12405787480), (2, 6202893740), (4, 3101446870), (5, 2481157496), (8, 1550723435), (10, 1240578748), (20, 620289374), (40, 310144687)]