28283680

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4111}}^1$

素因数の和:4169

約数の個数: 48

約数和(自身を含む): 68390784

約数和(自身を除く): 40107104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 4111, 6880, 8222, 16444, 20555, 32888, 41110, 65776, 82220, 131552, 164440, 176773, 328880, 353546, 657760, 707092, 883865, 1414184, 1767730, 2828368, 3535460, 5656736, 7070920, 14141840, 28283680]

約数ペア:

[(1, 28283680), (2, 14141840), (4, 7070920), (5, 5656736), (8, 3535460), (10, 2828368), (16, 1767730), (20, 1414184), (32, 883865), (40, 707092), (43, 657760), (80, 353546), (86, 328880), (160, 176773), (172, 164440), (215, 131552), (344, 82220), (430, 65776), (688, 41110), (860, 32888), (1376, 20555), (1720, 16444), (3440, 8222), (4111, 6880)]