27788020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{106877}}^1$

素因数の和:106899

約数の個数: 24

約数和(自身を含む): 62844264

約数和(自身を除く): 35056244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 106877, 213754, 427508, 534385, 1068770, 1389401, 2137540, 2778802, 5557604, 6947005, 13894010, 27788020]

約数ペア:

[(1, 27788020), (2, 13894010), (4, 6947005), (5, 5557604), (10, 2778802), (13, 2137540), (20, 1389401), (26, 1068770), (52, 534385), (65, 427508), (130, 213754), (260, 106877)]