80112460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{45007}}^1$

素因数の和:45105

約数の個数: 24

約数和(自身を含む): 170130240

約数和(自身を除く): 90017780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 45007, 90014, 180028, 225035, 450070, 900140, 4005623, 8011246, 16022492, 20028115, 40056230, 80112460]

約数ペア:

[(1, 80112460), (2, 40056230), (4, 20028115), (5, 16022492), (10, 8011246), (20, 4005623), (89, 900140), (178, 450070), (356, 225035), (445, 180028), (890, 90014), (1780, 45007)]