8381900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1061}}^1$

素因数の和:1154

約数の個数: 36

約数和(自身を含む): 18436320

約数和(自身を除く): 10054420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1061, 1580, 1975, 2122, 3950, 4244, 5305, 7900, 10610, 21220, 26525, 53050, 83819, 106100, 167638, 335276, 419095, 838190, 1676380, 2095475, 4190950, 8381900]

約数ペア:

[(1, 8381900), (2, 4190950), (4, 2095475), (5, 1676380), (10, 838190), (20, 419095), (25, 335276), (50, 167638), (79, 106100), (100, 83819), (158, 53050), (316, 26525), (395, 21220), (790, 10610), (1061, 7900), (1580, 5305), (1975, 4244), (2122, 3950)]