80087644

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{220021}}^1$

素因数の和:220045

約数の個数: 24

約数和(自身を含む): 172497248

約数和(自身を除く): 92409604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 220021, 440042, 880084, 1540147, 2860273, 3080294, 5720546, 6160588, 11441092, 20021911, 40043822, 80087644]

約数ペア:

[(1, 80087644), (2, 40043822), (4, 20021911), (7, 11441092), (13, 6160588), (14, 5720546), (26, 3080294), (28, 2860273), (52, 1540147), (91, 880084), (182, 440042), (364, 220021)]