28923520

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1113

約数の個数: 64

約数和(自身を含む): 70820640

約数和(自身を除く): 41897120

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, 1051, 1376, 1720, 2102, 2752, 3440, 4204, 5255, 5504, 6880, 8408, 10510, 13760, 16816, 21020, 27520, 33632, 42040, 45193, 67264, 84080, 90386, 134528, 168160, 180772, 225965, 336320, 361544, 451930, 672640, 723088, 903860, 1446176, 1807720, 2892352, 3615440, 5784704, 7230880, 14461760, 28923520]

約数ペア:

[(1, 28923520), (2, 14461760), (4, 7230880), (5, 5784704), (8, 3615440), (10, 2892352), (16, 1807720), (20, 1446176), (32, 903860), (40, 723088), (43, 672640), (64, 451930), (80, 361544), (86, 336320), (128, 225965), (160, 180772), (172, 168160), (215, 134528), (320, 90386), (344, 84080), (430, 67264), (640, 45193), (688, 42040), (860, 33632), (1051, 27520), (1376, 21020), (1720, 16816), (2102, 13760), (2752, 10510), (3440, 8408), (4204, 6880), (5255, 5504)]