2016404080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{4363}}^1$

素因数の和:4538

約数の個数: 80

約数和(自身を含む): 4821521760

約数和(自身を除く): 2805117680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 109, 212, 218, 265, 424, 436, 530, 545, 848, 872, 1060, 1090, 1744, 2120, 2180, 4240, 4360, 4363, 5777, 8720, 8726, 11554, 17452, 21815, 23108, 28885, 34904, 43630, 46216, 57770, 69808, 87260, 92432, 115540, 174520, 231080, 231239, 349040, 462160, 462478, 475567, 924956, 951134, 1156195, 1849912, 1902268, 2312390, 2377835, 3699824, 3804536, 4624780, 4755670, 7609072, 9249560, 9511340, 18499120, 19022680, 25205051, 38045360, 50410102, 100820204, 126025255, 201640408, 252050510, 403280816, 504101020, 1008202040, 2016404080]

約数ペア:

[(1, 2016404080), (2, 1008202040), (4, 504101020), (5, 403280816), (8, 252050510), (10, 201640408), (16, 126025255), (20, 100820204), (40, 50410102), (53, 38045360), (80, 25205051), (106, 19022680), (109, 18499120), (212, 9511340), (218, 9249560), (265, 7609072), (424, 4755670), (436, 4624780), (530, 3804536), (545, 3699824), (848, 2377835), (872, 2312390), (1060, 1902268), (1090, 1849912), (1744, 1156195), (2120, 951134), (2180, 924956), (4240, 475567), (4360, 462478), (4363, 462160), (5777, 349040), (8720, 231239), (8726, 231080), (11554, 174520), (17452, 115540), (21815, 92432), (23108, 87260), (28885, 69808), (34904, 57770), (43630, 46216)]