25209320

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3167}}^1$

素因数の和:3377

約数の個数: 32

約数和(自身を含む): 57024000

約数和(自身を除く): 31814680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3167, 3980, 6334, 7960, 12668, 15835, 25336, 31670, 63340, 126680, 630233, 1260466, 2520932, 3151165, 5041864, 6302330, 12604660, 25209320]

約数ペア:

[(1, 25209320), (2, 12604660), (4, 6302330), (5, 5041864), (8, 3151165), (10, 2520932), (20, 1260466), (40, 630233), (199, 126680), (398, 63340), (796, 31670), (995, 25336), (1592, 15835), (1990, 12668), (3167, 7960), (3980, 6334)]