11217280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1$

素因数の和:1067

約数の個数: 64

約数和(自身を含む): 28421280

約数和(自身を除く): 17204000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1031, 1088, 1360, 2062, 2176, 2720, 4124, 5155, 5440, 8248, 10310, 10880, 16496, 17527, 20620, 32992, 35054, 41240, 65984, 70108, 82480, 87635, 131968, 140216, 164960, 175270, 280432, 329920, 350540, 560864, 659840, 701080, 1121728, 1402160, 2243456, 2804320, 5608640, 11217280]

約数ペア:

[(1, 11217280), (2, 5608640), (4, 2804320), (5, 2243456), (8, 1402160), (10, 1121728), (16, 701080), (17, 659840), (20, 560864), (32, 350540), (34, 329920), (40, 280432), (64, 175270), (68, 164960), (80, 140216), (85, 131968), (128, 87635), (136, 82480), (160, 70108), (170, 65984), (272, 41240), (320, 35054), (340, 32992), (544, 20620), (640, 17527), (680, 16496), (1031, 10880), (1088, 10310), (1360, 8248), (2062, 5440), (2176, 5155), (2720, 4124)]