22780525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 30008000

約数和(自身を除く): 7227475

約数列:

[1, 5, 19, 25, 95, 199, 241, 475, 995, 1205, 3781, 4579, 4975, 6025, 18905, 22895, 47959, 94525, 114475, 239795, 911221, 1198975, 4556105, 22780525]

約数ペア:

[(1, 22780525), (5, 4556105), (19, 1198975), (25, 911221), (95, 239795), (199, 114475), (241, 94525), (475, 47959), (995, 22895), (1205, 18905), (3781, 6025), (4579, 4975)]