39821440

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1447}}^1$

素因数の和:1509

約数の個数: 64

約数和(自身を含む): 97479360

約数和(自身を除く): 57657920

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, 1376, 1447, 1720, 2752, 2894, 3440, 5504, 5788, 6880, 7235, 11576, 13760, 14470, 23152, 27520, 28940, 46304, 57880, 62221, 92608, 115760, 124442, 185216, 231520, 248884, 311105, 463040, 497768, 622210, 926080, 995536, 1244420, 1991072, 2488840, 3982144, 4977680, 7964288, 9955360, 19910720, 39821440]

約数ペア:

[(1, 39821440), (2, 19910720), (4, 9955360), (5, 7964288), (8, 4977680), (10, 3982144), (16, 2488840), (20, 1991072), (32, 1244420), (40, 995536), (43, 926080), (64, 622210), (80, 497768), (86, 463040), (128, 311105), (160, 248884), (172, 231520), (215, 185216), (320, 124442), (344, 115760), (430, 92608), (640, 62221), (688, 57880), (860, 46304), (1376, 28940), (1447, 27520), (1720, 23152), (2752, 14470), (2894, 13760), (3440, 11576), (5504, 7235), (5788, 6880)]