82705025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 110893944

約数和(自身を除く): 28188919

約数列:

[1, 5, 13, 25, 65, 325, 397, 641, 1985, 3205, 5161, 8333, 9925, 16025, 25805, 41665, 129025, 208325, 254477, 1272385, 3308201, 6361925, 16541005, 82705025]

約数ペア:

[(1, 82705025), (5, 16541005), (13, 6361925), (25, 3308201), (65, 1272385), (325, 254477), (397, 208325), (641, 129025), (1985, 41665), (3205, 25805), (5161, 16025), (8333, 9925)]