28249280

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2053}}^1$

素因数の和:2113

約数の個数: 56

約数和(自身を含む): 68866512

約数和(自身を除く): 40617232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2053, 2752, 3440, 4106, 6880, 8212, 10265, 13760, 16424, 20530, 32848, 41060, 65696, 82120, 88279, 131392, 164240, 176558, 328480, 353116, 441395, 656960, 706232, 882790, 1412464, 1765580, 2824928, 3531160, 5649856, 7062320, 14124640, 28249280]

約数ペア:

[(1, 28249280), (2, 14124640), (4, 7062320), (5, 5649856), (8, 3531160), (10, 2824928), (16, 1765580), (20, 1412464), (32, 882790), (40, 706232), (43, 656960), (64, 441395), (80, 353116), (86, 328480), (160, 176558), (172, 164240), (215, 131392), (320, 88279), (344, 82120), (430, 65696), (688, 41060), (860, 32848), (1376, 20530), (1720, 16424), (2053, 13760), (2752, 10265), (3440, 8212), (4106, 6880)]