72175025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1621}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 97144824

約数和(自身を除く): 24969799

約数列:

[1, 5, 13, 25, 65, 137, 325, 685, 1621, 1781, 3425, 8105, 8905, 21073, 40525, 44525, 105365, 222077, 526825, 1110385, 2887001, 5551925, 14435005, 72175025]

約数ペア:

[(1, 72175025), (5, 14435005), (13, 5551925), (25, 2887001), (65, 1110385), (137, 526825), (325, 222077), (685, 105365), (1621, 44525), (1781, 40525), (3425, 21073), (8105, 8905)]