2643670220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1673209}}^1$

素因数の和:1673297

約数の個数: 24

約数和(自身を含む): 5621985600

約数和(自身を除く): 2978315380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1673209, 3346418, 6692836, 8366045, 16732090, 33464180, 132183511, 264367022, 528734044, 660917555, 1321835110, 2643670220]

約数ペア:

[(1, 2643670220), (2, 1321835110), (4, 660917555), (5, 528734044), (10, 264367022), (20, 132183511), (79, 33464180), (158, 16732090), (316, 8366045), (395, 6692836), (790, 3346418), (1580, 1673209)]