80813360

素因数分解:

$2^4\times 5^1\times {\mathrm{1010167}}^1$

素因数の和:1010180

約数の個数: 20

約数和(自身を含む): 187891248

約数和(自身を除く): 107077888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1010167, 2020334, 4040668, 5050835, 8081336, 10101670, 16162672, 20203340, 40406680, 80813360]

約数ペア:

[(1, 80813360), (2, 40406680), (4, 20203340), (5, 16162672), (8, 10101670), (10, 8081336), (16, 5050835), (20, 4040668), (40, 2020334), (80, 1010167)]