8345140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10177}}^1$

素因数の和:10227

約数の個数: 24

約数和(自身を含む): 17953992

約数和(自身を除く): 9608852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10177, 20354, 40708, 50885, 101770, 203540, 417257, 834514, 1669028, 2086285, 4172570, 8345140]

約数ペア:

[(1, 8345140), (2, 4172570), (4, 2086285), (5, 1669028), (10, 834514), (20, 417257), (41, 203540), (82, 101770), (164, 50885), (205, 40708), (410, 20354), (820, 10177)]