28386880

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2123

約数の個数: 56

約数和(自身を含む): 69201792

約数和(自身を除く): 40814912

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, 2063, 2752, 3440, 4126, 6880, 8252, 10315, 13760, 16504, 20630, 33008, 41260, 66016, 82520, 88709, 132032, 165040, 177418, 330080, 354836, 443545, 660160, 709672, 887090, 1419344, 1774180, 2838688, 3548360, 5677376, 7096720, 14193440, 28386880]

約数ペア:

[(1, 28386880), (2, 14193440), (4, 7096720), (5, 5677376), (8, 3548360), (10, 2838688), (16, 1774180), (20, 1419344), (32, 887090), (40, 709672), (43, 660160), (64, 443545), (80, 354836), (86, 330080), (160, 177418), (172, 165040), (215, 132032), (320, 88709), (344, 82520), (430, 66016), (688, 41260), (860, 33008), (1376, 20630), (1720, 16504), (2063, 13760), (2752, 10315), (3440, 8252), (4126, 6880)]