2558810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^2$

素因数の和:206

約数の個数: 24

約数和(自身を含む): 4778676

約数和(自身を除く): 2219866

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 790, 3239, 6241, 6478, 12482, 16195, 31205, 32390, 62410, 255881, 511762, 1279405, 2558810]

約数ペア:

[(1, 2558810), (2, 1279405), (5, 511762), (10, 255881), (41, 62410), (79, 32390), (82, 31205), (158, 16195), (205, 12482), (395, 6478), (410, 6241), (790, 3239)]