80830990

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{8011}}^1$

素因数の和:9027

約数の個数: 16

約数和(自身を含む): 145658160

約数和(自身を除く): 64827170

約数列:

[1, 2, 5, 10, 1009, 2018, 5045, 8011, 10090, 16022, 40055, 80110, 8083099, 16166198, 40415495, 80830990]

約数ペア:

[(1, 80830990), (2, 40415495), (5, 16166198), (10, 8083099), (1009, 80110), (2018, 40055), (5045, 16022), (8011, 10090)]