28015360

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 68801040

約数和(自身を除く): 40785680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 509, 640, 688, 860, 1018, 1280, 1376, 1720, 2036, 2545, 2752, 3440, 4072, 5090, 5504, 6880, 8144, 10180, 11008, 13760, 16288, 20360, 21887, 27520, 32576, 40720, 43774, 55040, 65152, 81440, 87548, 109435, 130304, 162880, 175096, 218870, 325760, 350192, 437740, 651520, 700384, 875480, 1400768, 1750960, 2801536, 3501920, 5603072, 7003840, 14007680, 28015360]

約数ペア:

[(1, 28015360), (2, 14007680), (4, 7003840), (5, 5603072), (8, 3501920), (10, 2801536), (16, 1750960), (20, 1400768), (32, 875480), (40, 700384), (43, 651520), (64, 437740), (80, 350192), (86, 325760), (128, 218870), (160, 175096), (172, 162880), (215, 130304), (256, 109435), (320, 87548), (344, 81440), (430, 65152), (509, 55040), (640, 43774), (688, 40720), (860, 32576), (1018, 27520), (1280, 21887), (1376, 20360), (1720, 16288), (2036, 13760), (2545, 11008), (2752, 10180), (3440, 8144), (4072, 6880), (5090, 5504)]