80842100

素因数分解:

$2^2\times 5^2\times {\mathrm{808421}}^1$

素因数の和:808435

約数の個数: 18

約数和(自身を含む): 175427574

約数和(自身を除く): 94585474

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 808421, 1616842, 3233684, 4042105, 8084210, 16168420, 20210525, 40421050, 80842100]

約数ペア:

[(1, 80842100), (2, 40421050), (4, 20210525), (5, 16168420), (10, 8084210), (20, 4042105), (25, 3233684), (50, 1616842), (100, 808421)]