25439005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{809}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 32270400

約数和(自身を除く): 6831395

約数列:

[1, 5, 19, 95, 331, 809, 1655, 4045, 6289, 15371, 31445, 76855, 267779, 1338895, 5087801, 25439005]

約数ペア:

[(1, 25439005), (5, 5087801), (19, 1338895), (95, 267779), (331, 76855), (809, 31445), (1655, 15371), (4045, 6289)]