28035680

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1279}}^1$

素因数の和:1431

約数の個数: 48

約数和(自身を含む): 66769920

約数和(自身を除く): 38734240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1279, 1370, 2192, 2558, 2740, 4384, 5116, 5480, 6395, 10232, 10960, 12790, 20464, 21920, 25580, 40928, 51160, 102320, 175223, 204640, 350446, 700892, 876115, 1401784, 1752230, 2803568, 3504460, 5607136, 7008920, 14017840, 28035680]

約数ペア:

[(1, 28035680), (2, 14017840), (4, 7008920), (5, 5607136), (8, 3504460), (10, 2803568), (16, 1752230), (20, 1401784), (32, 876115), (40, 700892), (80, 350446), (137, 204640), (160, 175223), (274, 102320), (548, 51160), (685, 40928), (1096, 25580), (1279, 21920), (1370, 20464), (2192, 12790), (2558, 10960), (2740, 10232), (4384, 6395), (5116, 5480)]