28504780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{18041}}^1$

素因数の和:18129

約数の個数: 24

約数和(自身を含む): 60621120

約数和(自身を除く): 32116340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 18041, 36082, 72164, 90205, 180410, 360820, 1425239, 2850478, 5700956, 7126195, 14252390, 28504780]

約数ペア:

[(1, 28504780), (2, 14252390), (4, 7126195), (5, 5700956), (10, 2850478), (20, 1425239), (79, 360820), (158, 180410), (316, 90205), (395, 72164), (790, 36082), (1580, 18041)]