22751240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8011}}^1$

素因数の和:8093

約数の個数: 32

約数和(自身を含む): 51917760

約数和(自身を除く): 29166520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8011, 16022, 32044, 40055, 64088, 80110, 160220, 320440, 568781, 1137562, 2275124, 2843905, 4550248, 5687810, 11375620, 22751240]

約数ペア:

[(1, 22751240), (2, 11375620), (4, 5687810), (5, 4550248), (8, 2843905), (10, 2275124), (20, 1137562), (40, 568781), (71, 320440), (142, 160220), (284, 80110), (355, 64088), (568, 40055), (710, 32044), (1420, 16022), (2840, 8011)]