25408990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23311}}^1$

素因数の和:23427

約数の個数: 16

約数和(自身を含む): 46157760

約数和(自身を除く): 20748770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 23311, 46622, 116555, 233110, 2540899, 5081798, 12704495, 25408990]

約数ペア:

[(1, 25408990), (2, 12704495), (5, 5081798), (10, 2540899), (109, 233110), (218, 116555), (545, 46622), (1090, 23311)]