138728080

素因数分解:

$2^4\times 5^1\times {\mathrm{1734101}}^1$

素因数の和:1734114

約数の個数: 20

約数和(自身を含む): 322542972

約数和(自身を除く): 183814892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1734101, 3468202, 6936404, 8670505, 13872808, 17341010, 27745616, 34682020, 69364040, 138728080]

約数ペア:

[(1, 138728080), (2, 69364040), (4, 34682020), (5, 27745616), (8, 17341010), (10, 13872808), (16, 8670505), (20, 6936404), (40, 3468202), (80, 1734101)]