28373120

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 69474240

約数和(自身を除く): 41101120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1031, 1376, 1720, 2062, 2752, 3440, 4124, 5155, 5504, 6880, 8248, 10310, 13760, 16496, 20620, 27520, 32992, 41240, 44333, 65984, 82480, 88666, 131968, 164960, 177332, 221665, 329920, 354664, 443330, 659840, 709328, 886660, 1418656, 1773320, 2837312, 3546640, 5674624, 7093280, 14186560, 28373120]

約数ペア:

[(1, 28373120), (2, 14186560), (4, 7093280), (5, 5674624), (8, 3546640), (10, 2837312), (16, 1773320), (20, 1418656), (32, 886660), (40, 709328), (43, 659840), (64, 443330), (80, 354664), (86, 329920), (128, 221665), (160, 177332), (172, 164960), (215, 131968), (320, 88666), (344, 82480), (430, 65984), (640, 44333), (688, 41240), (860, 32992), (1031, 27520), (1376, 20620), (1720, 16496), (2062, 13760), (2752, 10310), (3440, 8248), (4124, 6880), (5155, 5504)]