26440784

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{15161}}^1$

素因数の和:15278

約数の個数: 20

約数和(自身を含む): 51702420

約数和(自身を除く): 25261636

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 15161, 30322, 60644, 121288, 242576, 1652549, 3305098, 6610196, 13220392, 26440784]

約数ペア:

[(1, 26440784), (2, 13220392), (4, 6610196), (8, 3305098), (16, 1652549), (109, 242576), (218, 121288), (436, 60644), (872, 30322), (1744, 15161)]