12937760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7351}}^1$

素因数の和:7377

約数の個数: 48

約数和(自身を含む): 33348672

約数和(自身を除く): 20410912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 7351, 14702, 29404, 36755, 58808, 73510, 80861, 117616, 147020, 161722, 235232, 294040, 323444, 404305, 588080, 646888, 808610, 1176160, 1293776, 1617220, 2587552, 3234440, 6468880, 12937760]

約数ペア:

[(1, 12937760), (2, 6468880), (4, 3234440), (5, 2587552), (8, 1617220), (10, 1293776), (11, 1176160), (16, 808610), (20, 646888), (22, 588080), (32, 404305), (40, 323444), (44, 294040), (55, 235232), (80, 161722), (88, 147020), (110, 117616), (160, 80861), (176, 73510), (220, 58808), (352, 36755), (440, 29404), (880, 14702), (1760, 7351)]