12996864880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{181927}}^1$

素因数の和:182006

約数の個数: 80

約数和(自身を含む): 32485063680

約数和(自身を除く): 19488198800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1520, 1786, 1880, 3572, 3760, 4465, 7144, 8930, 14288, 17860, 35720, 71440, 181927, 363854, 727708, 909635, 1455416, 1819270, 2910832, 3456613, 3638540, 6913226, 7277080, 8550569, 13826452, 14554160, 17101138, 17283065, 27652904, 34202276, 34566130, 42752845, 55305808, 68404552, 69132260, 85505690, 136809104, 138264520, 162460811, 171011380, 276529040, 324921622, 342022760, 649843244, 684045520, 812304055, 1299686488, 1624608110, 2599372976, 3249216220, 6498432440, 12996864880]

約数ペア:

[(1, 12996864880), (2, 6498432440), (4, 3249216220), (5, 2599372976), (8, 1624608110), (10, 1299686488), (16, 812304055), (19, 684045520), (20, 649843244), (38, 342022760), (40, 324921622), (47, 276529040), (76, 171011380), (80, 162460811), (94, 138264520), (95, 136809104), (152, 85505690), (188, 69132260), (190, 68404552), (235, 55305808), (304, 42752845), (376, 34566130), (380, 34202276), (470, 27652904), (752, 17283065), (760, 17101138), (893, 14554160), (940, 13826452), (1520, 8550569), (1786, 7277080), (1880, 6913226), (3572, 3638540), (3760, 3456613), (4465, 2910832), (7144, 1819270), (8930, 1455416), (14288, 909635), (17860, 727708), (35720, 363854), (71440, 181927)]