164009620

素因数分解:

$2^2\times 5^1\times {\mathrm{2777}}^1\times {\mathrm{2953}}^1$

素因数の和:5739

約数の個数: 24

約数和(自身を含む): 344660904

約数和(自身を除く): 180651284

約数列:

[1, 2, 4, 5, 10, 20, 2777, 2953, 5554, 5906, 11108, 11812, 13885, 14765, 27770, 29530, 55540, 59060, 8200481, 16400962, 32801924, 41002405, 82004810, 164009620]

約数ペア:

[(1, 164009620), (2, 82004810), (4, 41002405), (5, 32801924), (10, 16400962), (20, 8200481), (2777, 59060), (2953, 55540), (5554, 29530), (5906, 27770), (11108, 14765), (11812, 13885)]