25990505

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 31848960

約数和(自身を除く): 5858455

約数列:

[1, 5, 103, 109, 463, 515, 545, 2315, 11227, 47689, 50467, 56135, 238445, 252335, 5198101, 25990505]

約数ペア:

[(1, 25990505), (5, 5198101), (103, 252335), (109, 238445), (463, 56135), (515, 50467), (545, 47689), (2315, 11227)]