41988005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2221}}^1$

素因数の和:2444

約数の個数: 16

約数和(自身を含む): 53328000

約数和(自身を除く): 11339995

約数列:

[1, 5, 19, 95, 199, 995, 2221, 3781, 11105, 18905, 42199, 210995, 441979, 2209895, 8397601, 41988005]

約数ペア:

[(1, 41988005), (5, 8397601), (19, 2209895), (95, 441979), (199, 210995), (995, 42199), (2221, 18905), (3781, 11105)]