2013806780

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1\times {\mathrm{1097}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 4261118400

約数和(自身を除く): 2247311620

約数列:

[1, 2, 4, 5, 10, 20, 263, 349, 526, 698, 1052, 1097, 1315, 1396, 1745, 2194, 2630, 3490, 4388, 5260, 5485, 6980, 10970, 21940, 91787, 183574, 288511, 367148, 382853, 458935, 577022, 765706, 917870, 1154044, 1442555, 1531412, 1835740, 1914265, 2885110, 3828530, 5770220, 7657060, 100690339, 201380678, 402761356, 503451695, 1006903390, 2013806780]

約数ペア:

[(1, 2013806780), (2, 1006903390), (4, 503451695), (5, 402761356), (10, 201380678), (20, 100690339), (263, 7657060), (349, 5770220), (526, 3828530), (698, 2885110), (1052, 1914265), (1097, 1835740), (1315, 1531412), (1396, 1442555), (1745, 1154044), (2194, 917870), (2630, 765706), (3490, 577022), (4388, 458935), (5260, 382853), (5485, 367148), (6980, 288511), (10970, 183574), (21940, 91787)]