12687025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 17151680

約数和(自身を除く): 4464655

約数列:

[1, 5, 13, 25, 65, 103, 325, 379, 515, 1339, 1895, 2575, 4927, 6695, 9475, 24635, 33475, 39037, 123175, 195185, 507481, 975925, 2537405, 12687025]

約数ペア:

[(1, 12687025), (5, 2537405), (13, 975925), (25, 507481), (65, 195185), (103, 123175), (325, 39037), (379, 33475), (515, 24635), (1339, 9475), (1895, 6695), (2575, 4927)]