80781065

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{4273}}^1$

素因数の和:4496

約数の個数: 16

約数和(自身を含む): 102576000

約数和(自身を除く): 21794935

約数列:

[1, 5, 19, 95, 199, 995, 3781, 4273, 18905, 21365, 81187, 405935, 850327, 4251635, 16156213, 80781065]

約数ペア:

[(1, 80781065), (5, 16156213), (19, 4251635), (95, 850327), (199, 405935), (995, 81187), (3781, 21365), (4273, 18905)]