81595025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{9041}}^1$

素因数の和:9089

約数の個数: 18

約数和(自身を含む): 106795062

約数和(自身を除く): 25200037

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 9041, 45205, 171779, 226025, 858895, 3263801, 4294475, 16319005, 81595025]

約数ペア:

[(1, 81595025), (5, 16319005), (19, 4294475), (25, 3263801), (95, 858895), (361, 226025), (475, 171779), (1805, 45205), (9025, 9041)]