28716040

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1223}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 64774080

約数和(自身を除く): 36058040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 1174, 1223, 2348, 2446, 2935, 4696, 4892, 5870, 6115, 9784, 11740, 12230, 23480, 24460, 48920, 717901, 1435802, 2871604, 3589505, 5743208, 7179010, 14358020, 28716040]

約数ペア:

[(1, 28716040), (2, 14358020), (4, 7179010), (5, 5743208), (8, 3589505), (10, 2871604), (20, 1435802), (40, 717901), (587, 48920), (1174, 24460), (1223, 23480), (2348, 12230), (2446, 11740), (2935, 9784), (4696, 6115), (4892, 5870)]