20199400475

素因数分解:

$5^2\times {\mathrm{199}}^1\times {\mathrm{4060181}}^1$

素因数の和:4060390

約数の個数: 12

約数和(自身を含む): 25173128400

約数和(自身を除く): 4973727925

約数列:

[1, 5, 25, 199, 995, 4975, 4060181, 20300905, 101504525, 807976019, 4039880095, 20199400475]

約数ペア:

[(1, 20199400475), (5, 4039880095), (25, 807976019), (199, 101504525), (995, 20300905), (4975, 4060181)]