568848020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2187877}}^1$

素因数の和:2187899

約数の個数: 24

約数和(自身を含む): 1286472264

約数和(自身を除く): 717624244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2187877, 4375754, 8751508, 10939385, 21878770, 28442401, 43757540, 56884802, 113769604, 142212005, 284424010, 568848020]

約数ペア:

[(1, 568848020), (2, 284424010), (4, 142212005), (5, 113769604), (10, 56884802), (13, 43757540), (20, 28442401), (26, 21878770), (52, 10939385), (65, 8751508), (130, 4375754), (260, 2187877)]