40432820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10159}}^1$

素因数の和:10367

約数の個数: 24

約数和(自身を含む): 85344000

約数和(自身を除く): 44911180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 10159, 20318, 40636, 50795, 101590, 203180, 2021641, 4043282, 8086564, 10108205, 20216410, 40432820]

約数ペア:

[(1, 40432820), (2, 20216410), (4, 10108205), (5, 8086564), (10, 4043282), (20, 2021641), (199, 203180), (398, 101590), (796, 50795), (995, 40636), (1990, 20318), (3980, 10159)]