40513415

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2143}}^1$

素因数の和:2366

約数の個数: 16

約数和(自身を含む): 51456000

約数和(自身を除く): 10942585

約数列:

[1, 5, 19, 95, 199, 995, 2143, 3781, 10715, 18905, 40717, 203585, 426457, 2132285, 8102683, 40513415]

約数ペア:

[(1, 40513415), (5, 8102683), (19, 2132285), (95, 426457), (199, 203585), (995, 40717), (2143, 18905), (3781, 10715)]