26505140

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5039}}^1$

素因数の和:5311

約数の個数: 24

約数和(自身を含む): 55883520

約数和(自身を除く): 29378380

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5039, 5260, 10078, 20156, 25195, 50390, 100780, 1325257, 2650514, 5301028, 6626285, 13252570, 26505140]

約数ペア:

[(1, 26505140), (2, 13252570), (4, 6626285), (5, 5301028), (10, 2650514), (20, 1325257), (263, 100780), (526, 50390), (1052, 25195), (1315, 20156), (2630, 10078), (5039, 5260)]