2025820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 4284000

約数和(自身を除く): 2258180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 509, 796, 995, 1018, 1990, 2036, 2545, 3980, 5090, 10180, 101291, 202582, 405164, 506455, 1012910, 2025820]

約数ペア:

[(1, 2025820), (2, 1012910), (4, 506455), (5, 405164), (10, 202582), (20, 101291), (199, 10180), (398, 5090), (509, 3980), (796, 2545), (995, 2036), (1018, 1990)]