85352020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{328277}}^1$

素因数の和:328299

約数の個数: 24

約数和(自身を含む): 193027464

約数和(自身を除く): 107675444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 328277, 656554, 1313108, 1641385, 3282770, 4267601, 6565540, 8535202, 17070404, 21338005, 42676010, 85352020]

約数ペア:

[(1, 85352020), (2, 42676010), (4, 21338005), (5, 17070404), (10, 8535202), (13, 6565540), (20, 4267601), (26, 3282770), (52, 1641385), (65, 1313108), (130, 656554), (260, 328277)]