28510160

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1039}}^1$

素因数の和:1073

約数の個数: 80

約数和(自身を含む): 77376000

約数和(自身を除く): 48865840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1039, 1372, 1715, 1960, 2078, 2744, 3430, 3920, 4156, 5195, 5488, 6860, 7273, 8312, 10390, 13720, 14546, 16624, 20780, 27440, 29092, 36365, 41560, 50911, 58184, 72730, 83120, 101822, 116368, 145460, 203644, 254555, 290920, 356377, 407288, 509110, 581840, 712754, 814576, 1018220, 1425508, 1781885, 2036440, 2851016, 3563770, 4072880, 5702032, 7127540, 14255080, 28510160]

約数ペア:

[(1, 28510160), (2, 14255080), (4, 7127540), (5, 5702032), (7, 4072880), (8, 3563770), (10, 2851016), (14, 2036440), (16, 1781885), (20, 1425508), (28, 1018220), (35, 814576), (40, 712754), (49, 581840), (56, 509110), (70, 407288), (80, 356377), (98, 290920), (112, 254555), (140, 203644), (196, 145460), (245, 116368), (280, 101822), (343, 83120), (392, 72730), (490, 58184), (560, 50911), (686, 41560), (784, 36365), (980, 29092), (1039, 27440), (1372, 20780), (1715, 16624), (1960, 14546), (2078, 13720), (2744, 10390), (3430, 8312), (3920, 7273), (4156, 6860), (5195, 5488)]