68652025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{16249}}^1$

素因数の和:16285

約数の個数: 18

約数和(自身を含む): 92186250

約数和(自身を除く): 23534225

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 16249, 81245, 211237, 406225, 1056185, 2746081, 5280925, 13730405, 68652025]

約数ペア:

[(1, 68652025), (5, 13730405), (13, 5280925), (25, 2746081), (65, 1056185), (169, 406225), (325, 211237), (845, 81245), (4225, 16249)]