810528080

素因数分解:

$2^4\times 5^1\times {\mathrm{10131601}}^1$

素因数の和:10131614

約数の個数: 20

約数和(自身を含む): 1884477972

約数和(自身を除く): 1073949892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10131601, 20263202, 40526404, 50658005, 81052808, 101316010, 162105616, 202632020, 405264040, 810528080]

約数ペア:

[(1, 810528080), (2, 405264040), (4, 202632020), (5, 162105616), (8, 101316010), (10, 81052808), (16, 50658005), (20, 40526404), (40, 20263202), (80, 10131601)]