28195340

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2531}}^1$

素因数の和:3097

約数の個数: 24

約数和(自身を含む): 59339952

約数和(自身を除く): 31144612

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2531, 2785, 5062, 5570, 10124, 11140, 12655, 25310, 50620, 1409767, 2819534, 5639068, 7048835, 14097670, 28195340]

約数ペア:

[(1, 28195340), (2, 14097670), (4, 7048835), (5, 5639068), (10, 2819534), (20, 1409767), (557, 50620), (1114, 25310), (2228, 12655), (2531, 11140), (2785, 10124), (5062, 5570)]