25968020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99877}}^1$

素因数の和:99899

約数の個数: 24

約数和(自身を含む): 58728264

約数和(自身を除く): 32760244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99877, 199754, 399508, 499385, 998770, 1298401, 1997540, 2596802, 5193604, 6492005, 12984010, 25968020]

約数ペア:

[(1, 25968020), (2, 12984010), (4, 6492005), (5, 5193604), (10, 2596802), (13, 1997540), (20, 1298401), (26, 998770), (52, 499385), (65, 399508), (130, 199754), (260, 99877)]