1281760

素因数分解:

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

素因数の和:8026

約数の個数: 24

約数和(自身を含む): 3028536

約数和(自身を除く): 1746776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 8011, 16022, 32044, 40055, 64088, 80110, 128176, 160220, 256352, 320440, 640880, 1281760]

約数ペア:

[(1, 1281760), (2, 640880), (4, 320440), (5, 256352), (8, 160220), (10, 128176), (16, 80110), (20, 64088), (32, 40055), (40, 32044), (80, 16022), (160, 8011)]