79988380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137911}}^1$

素因数の和:137949

約数の個数: 24

約数和(自身を含む): 173769120

約数和(自身を除く): 93780740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 137911, 275822, 551644, 689555, 1379110, 2758220, 3999419, 7998838, 15997676, 19997095, 39994190, 79988380]

約数ペア:

[(1, 79988380), (2, 39994190), (4, 19997095), (5, 15997676), (10, 7998838), (20, 3999419), (29, 2758220), (58, 1379110), (116, 689555), (145, 551644), (290, 275822), (580, 137911)]