40728800

素因数分解:

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

素因数の和:1073

約数の個数: 108

約数和(自身を含む): 115773840

約数和(自身を除く): 75045040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 800, 980, 1039, 1120, 1225, 1400, 1568, 1960, 2078, 2450, 2800, 3920, 4156, 4900, 5195, 5600, 7273, 7840, 8312, 9800, 10390, 14546, 16624, 19600, 20780, 25975, 29092, 33248, 36365, 39200, 41560, 50911, 51950, 58184, 72730, 83120, 101822, 103900, 116368, 145460, 166240, 181825, 203644, 207800, 232736, 254555, 290920, 363650, 407288, 415600, 509110, 581840, 727300, 814576, 831200, 1018220, 1163680, 1272775, 1454600, 1629152, 2036440, 2545550, 2909200, 4072880, 5091100, 5818400, 8145760, 10182200, 20364400, 40728800]

約数ペア:

[(1, 40728800), (2, 20364400), (4, 10182200), (5, 8145760), (7, 5818400), (8, 5091100), (10, 4072880), (14, 2909200), (16, 2545550), (20, 2036440), (25, 1629152), (28, 1454600), (32, 1272775), (35, 1163680), (40, 1018220), (49, 831200), (50, 814576), (56, 727300), (70, 581840), (80, 509110), (98, 415600), (100, 407288), (112, 363650), (140, 290920), (160, 254555), (175, 232736), (196, 207800), (200, 203644), (224, 181825), (245, 166240), (280, 145460), (350, 116368), (392, 103900), (400, 101822), (490, 83120), (560, 72730), (700, 58184), (784, 51950), (800, 50911), (980, 41560), (1039, 39200), (1120, 36365), (1225, 33248), (1400, 29092), (1568, 25975), (1960, 20780), (2078, 19600), (2450, 16624), (2800, 14546), (3920, 10390), (4156, 9800), (4900, 8312), (5195, 7840), (5600, 7273)]