205939520

素因数分解:

$2^6\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2447}}^1$

素因数の和:2727

約数の個数: 56

約数和(自身を含む): 492459264

約数和(自身を除く): 286519744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 263, 320, 526, 1052, 1315, 2104, 2447, 2630, 4208, 4894, 5260, 8416, 9788, 10520, 12235, 16832, 19576, 21040, 24470, 39152, 42080, 48940, 78304, 84160, 97880, 156608, 195760, 391520, 643561, 783040, 1287122, 2574244, 3217805, 5148488, 6435610, 10296976, 12871220, 20593952, 25742440, 41187904, 51484880, 102969760, 205939520]

約数ペア:

[(1, 205939520), (2, 102969760), (4, 51484880), (5, 41187904), (8, 25742440), (10, 20593952), (16, 12871220), (20, 10296976), (32, 6435610), (40, 5148488), (64, 3217805), (80, 2574244), (160, 1287122), (263, 783040), (320, 643561), (526, 391520), (1052, 195760), (1315, 156608), (2104, 97880), (2447, 84160), (2630, 78304), (4208, 48940), (4894, 42080), (5260, 39152), (8416, 24470), (9788, 21040), (10520, 19576), (12235, 16832)]