26740025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{6329}}^1$

素因数の和:6365

約数の個数: 18

約数和(自身を含む): 35910090

約数和(自身を除く): 9170065

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 6329, 31645, 82277, 158225, 411385, 1069601, 2056925, 5348005, 26740025]

約数ペア:

[(1, 26740025), (5, 5348005), (13, 2056925), (25, 1069601), (65, 411385), (169, 158225), (325, 82277), (845, 31645), (4225, 6329)]