42550180

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10691}}^1$

素因数の和:10899

約数の個数: 24

約数和(自身を含む): 89812800

約数和(自身を除く): 47262620

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 10691, 21382, 42764, 53455, 106910, 213820, 2127509, 4255018, 8510036, 10637545, 21275090, 42550180]

約数ペア:

[(1, 42550180), (2, 21275090), (4, 10637545), (5, 8510036), (10, 4255018), (20, 2127509), (199, 213820), (398, 106910), (796, 53455), (995, 42764), (1990, 21382), (3980, 10691)]