68112080

素因数分解:

$2^4\times 5^1\times {\mathrm{851401}}^1$

素因数の和:851414

約数の個数: 20

約数和(自身を含む): 158360772

約数和(自身を除く): 90248692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 851401, 1702802, 3405604, 4257005, 6811208, 8514010, 13622416, 17028020, 34056040, 68112080]

約数ペア:

[(1, 68112080), (2, 34056040), (4, 17028020), (5, 13622416), (8, 8514010), (10, 6811208), (16, 4257005), (20, 3405604), (40, 1702802), (80, 851401)]