82717820

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{4099}}^1$

素因数の和:5117

約数の個数: 24

約数和(自身を含む): 173922000

約数和(自身を除く): 91204180

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 4099, 5045, 8198, 10090, 16396, 20180, 20495, 40990, 81980, 4135891, 8271782, 16543564, 20679455, 41358910, 82717820]

約数ペア:

[(1, 82717820), (2, 41358910), (4, 20679455), (5, 16543564), (10, 8271782), (20, 4135891), (1009, 81980), (2018, 40990), (4036, 20495), (4099, 20180), (5045, 16396), (8198, 10090)]