2312980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1061}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 4906440

約数和(自身を除く): 2593460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1061, 1090, 2122, 2180, 4244, 5305, 10610, 21220, 115649, 231298, 462596, 578245, 1156490, 2312980]

約数ペア:

[(1, 2312980), (2, 1156490), (4, 578245), (5, 462596), (10, 231298), (20, 115649), (109, 21220), (218, 10610), (436, 5305), (545, 4244), (1061, 2180), (1090, 2122)]