51617080

素因数分解:

$2^3\times 5^1\times {\mathrm{1290427}}^1$

素因数の和:1290438

約数の個数: 16

約数和(自身を含む): 116138520

約数和(自身を除く): 64521440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1290427, 2580854, 5161708, 6452135, 10323416, 12904270, 25808540, 51617080]

約数ペア:

[(1, 51617080), (2, 25808540), (4, 12904270), (5, 10323416), (8, 6452135), (10, 5161708), (20, 2580854), (40, 1290427)]