65105725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 84537000

約数和(自身を除く): 19431275

約数列:

[1, 5, 25, 29, 89, 145, 445, 725, 1009, 2225, 2581, 5045, 12905, 25225, 29261, 64525, 89801, 146305, 449005, 731525, 2245025, 2604229, 13021145, 65105725]

約数ペア:

[(1, 65105725), (5, 13021145), (25, 2604229), (29, 2245025), (89, 731525), (145, 449005), (445, 146305), (725, 89801), (1009, 64525), (2225, 29261), (2581, 25225), (5045, 12905)]