12810275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 16926000

約数和(自身を除く): 4115725

約数列:

[1, 5, 19, 25, 95, 149, 181, 475, 745, 905, 2831, 3439, 3725, 4525, 14155, 17195, 26969, 70775, 85975, 134845, 512411, 674225, 2562055, 12810275]

約数ペア:

[(1, 12810275), (5, 2562055), (19, 674225), (25, 512411), (95, 134845), (149, 85975), (181, 70775), (475, 26969), (745, 17195), (905, 14155), (2831, 4525), (3439, 3725)]