28263020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6337}}^1$

素因数の和:6569

約数の個数: 24

約数和(自身を含む): 59627904

約数和(自身を除く): 31364884

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 6337, 12674, 25348, 31685, 63370, 126740, 1413151, 2826302, 5652604, 7065755, 14131510, 28263020]

約数ペア:

[(1, 28263020), (2, 14131510), (4, 7065755), (5, 5652604), (10, 2826302), (20, 1413151), (223, 126740), (446, 63370), (892, 31685), (1115, 25348), (2230, 12674), (4460, 6337)]