67452620

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{8011}}^1$

素因数の和:8441

約数の個数: 24

約数和(自身を含む): 142004688

約数和(自身を除く): 74552068

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8011, 8420, 16022, 32044, 40055, 80110, 160220, 3372631, 6745262, 13490524, 16863155, 33726310, 67452620]

約数ペア:

[(1, 67452620), (2, 33726310), (4, 16863155), (5, 13490524), (10, 6745262), (20, 3372631), (421, 160220), (842, 80110), (1684, 40055), (2105, 32044), (4210, 16022), (8011, 8420)]