81502540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{582161}}^1$

素因数の和:582177

約数の個数: 24

約数和(自身を含む): 195606432

約数和(自身を除く): 114103892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 582161, 1164322, 2328644, 2910805, 4075127, 5821610, 8150254, 11643220, 16300508, 20375635, 40751270, 81502540]

約数ペア:

[(1, 81502540), (2, 40751270), (4, 20375635), (5, 16300508), (7, 11643220), (10, 8150254), (14, 5821610), (20, 4075127), (28, 2910805), (35, 2328644), (70, 1164322), (140, 582161)]