54690040

素因数分解:

$2^3\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1279}}^1$

素因数の和:2359

約数の個数: 32

約数和(自身を含む): 123264000

約数和(自身を除く): 68573960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1069, 1279, 2138, 2558, 4276, 5116, 5345, 6395, 8552, 10232, 10690, 12790, 21380, 25580, 42760, 51160, 1367251, 2734502, 5469004, 6836255, 10938008, 13672510, 27345020, 54690040]

約数ペア:

[(1, 54690040), (2, 27345020), (4, 13672510), (5, 10938008), (8, 6836255), (10, 5469004), (20, 2734502), (40, 1367251), (1069, 51160), (1279, 42760), (2138, 25580), (2558, 21380), (4276, 12790), (5116, 10690), (5345, 10232), (6395, 8552)]