8350040

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1049}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 18900000

約数和(自身を除く): 10549960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1049, 1592, 1990, 2098, 3980, 4196, 5245, 7960, 8392, 10490, 20980, 41960, 208751, 417502, 835004, 1043755, 1670008, 2087510, 4175020, 8350040]

約数ペア:

[(1, 8350040), (2, 4175020), (4, 2087510), (5, 1670008), (8, 1043755), (10, 835004), (20, 417502), (40, 208751), (199, 41960), (398, 20980), (796, 10490), (995, 8392), (1049, 7960), (1592, 5245), (1990, 4196), (2098, 3980)]