83680660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20611}}^1$

素因数の和:20656

約数の個数: 48

約数和(自身を含む): 207768960

約数和(自身を除く): 124088300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 20611, 41222, 82444, 103055, 144277, 206110, 288554, 412220, 577108, 597719, 721385, 1195438, 1442770, 2390876, 2885540, 2988595, 4184033, 5977190, 8368066, 11954380, 16736132, 20920165, 41840330, 83680660]

約数ペア:

[(1, 83680660), (2, 41840330), (4, 20920165), (5, 16736132), (7, 11954380), (10, 8368066), (14, 5977190), (20, 4184033), (28, 2988595), (29, 2885540), (35, 2390876), (58, 1442770), (70, 1195438), (116, 721385), (140, 597719), (145, 577108), (203, 412220), (290, 288554), (406, 206110), (580, 144277), (812, 103055), (1015, 82444), (2030, 41222), (4060, 20611)]