80110480

素因数分解:

$2^4\times 5^1\times {\mathrm{1001381}}^1$

素因数の和:1001394

約数の個数: 20

約数和(自身を含む): 186257052

約数和(自身を除く): 106146572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1001381, 2002762, 4005524, 5006905, 8011048, 10013810, 16022096, 20027620, 40055240, 80110480]

約数ペア:

[(1, 80110480), (2, 40055240), (4, 20027620), (5, 16022096), (8, 10013810), (10, 8011048), (16, 5006905), (20, 4005524), (40, 2002762), (80, 1001381)]