56731025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1009}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 76271160

約数和(自身を除く): 19540135

約数列:

[1, 5, 13, 25, 65, 173, 325, 865, 1009, 2249, 4325, 5045, 11245, 13117, 25225, 56225, 65585, 174557, 327925, 872785, 2269241, 4363925, 11346205, 56731025]

約数ペア:

[(1, 56731025), (5, 11346205), (13, 4363925), (25, 2269241), (65, 872785), (173, 327925), (325, 174557), (865, 65585), (1009, 56225), (2249, 25225), (4325, 13117), (5045, 11245)]