4072880

素因数分解:

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

素因数の和:1066

約数の個数: 60

約数和(自身を含む): 11026080

約数和(自身を除く): 6953200

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, 392, 490, 560, 784, 980, 1039, 1960, 2078, 3920, 4156, 5195, 7273, 8312, 10390, 14546, 16624, 20780, 29092, 36365, 41560, 50911, 58184, 72730, 83120, 101822, 116368, 145460, 203644, 254555, 290920, 407288, 509110, 581840, 814576, 1018220, 2036440, 4072880]

約数ペア:

[(1, 4072880), (2, 2036440), (4, 1018220), (5, 814576), (7, 581840), (8, 509110), (10, 407288), (14, 290920), (16, 254555), (20, 203644), (28, 145460), (35, 116368), (40, 101822), (49, 83120), (56, 72730), (70, 58184), (80, 50911), (98, 41560), (112, 36365), (140, 29092), (196, 20780), (245, 16624), (280, 14546), (392, 10390), (490, 8312), (560, 7273), (784, 5195), (980, 4156), (1039, 3920), (1960, 2078)]