8642540

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2239}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 18251520

約数和(自身を除く): 9608980

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 2239, 3860, 4478, 8956, 11195, 22390, 44780, 432127, 864254, 1728508, 2160635, 4321270, 8642540]

約数ペア:

[(1, 8642540), (2, 4321270), (4, 2160635), (5, 1728508), (10, 864254), (20, 432127), (193, 44780), (386, 22390), (772, 11195), (965, 8956), (1930, 4478), (2239, 3860)]