31082680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8011}}^1$

素因数の和:8119

約数の個数: 32

約数和(自身を含む): 70665840

約数和(自身を除く): 39583160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 8011, 16022, 32044, 40055, 64088, 80110, 160220, 320440, 777067, 1554134, 3108268, 3885335, 6216536, 7770670, 15541340, 31082680]

約数ペア:

[(1, 31082680), (2, 15541340), (4, 7770670), (5, 6216536), (8, 3885335), (10, 3108268), (20, 1554134), (40, 777067), (97, 320440), (194, 160220), (388, 80110), (485, 64088), (776, 40055), (970, 32044), (1940, 16022), (3880, 8011)]