12784000

素因数分解:

$2^7\times 5^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:93

約数の個数: 128

約数和(自身を含む): 34369920

約数和(自身を除く): 21585920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 47, 50, 64, 68, 80, 85, 94, 100, 125, 128, 136, 160, 170, 188, 200, 235, 250, 272, 320, 340, 376, 400, 425, 470, 500, 544, 640, 680, 752, 799, 800, 850, 940, 1000, 1088, 1175, 1360, 1504, 1598, 1600, 1700, 1880, 2000, 2125, 2176, 2350, 2720, 3008, 3196, 3200, 3400, 3760, 3995, 4000, 4250, 4700, 5440, 5875, 6016, 6392, 6800, 7520, 7990, 8000, 8500, 9400, 10880, 11750, 12784, 13600, 15040, 15980, 16000, 17000, 18800, 19975, 23500, 25568, 27200, 30080, 31960, 34000, 37600, 39950, 47000, 51136, 54400, 63920, 68000, 75200, 79900, 94000, 99875, 102272, 127840, 136000, 150400, 159800, 188000, 199750, 255680, 272000, 319600, 376000, 399500, 511360, 639200, 752000, 799000, 1278400, 1598000, 2556800, 3196000, 6392000, 12784000]

約数ペア:

[(1, 12784000), (2, 6392000), (4, 3196000), (5, 2556800), (8, 1598000), (10, 1278400), (16, 799000), (17, 752000), (20, 639200), (25, 511360), (32, 399500), (34, 376000), (40, 319600), (47, 272000), (50, 255680), (64, 199750), (68, 188000), (80, 159800), (85, 150400), (94, 136000), (100, 127840), (125, 102272), (128, 99875), (136, 94000), (160, 79900), (170, 75200), (188, 68000), (200, 63920), (235, 54400), (250, 51136), (272, 47000), (320, 39950), (340, 37600), (376, 34000), (400, 31960), (425, 30080), (470, 27200), (500, 25568), (544, 23500), (640, 19975), (680, 18800), (752, 17000), (799, 16000), (800, 15980), (850, 15040), (940, 13600), (1000, 12784), (1088, 11750), (1175, 10880), (1360, 9400), (1504, 8500), (1598, 8000), (1600, 7990), (1700, 7520), (1880, 6800), (2000, 6392), (2125, 6016), (2176, 5875), (2350, 5440), (2720, 4700), (3008, 4250), (3196, 4000), (3200, 3995), (3400, 3760)]