11647840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1693}}^1$

素因数の和:1751

約数の個数: 48

約数和(自身を含む): 28174608

約数和(自身を除く): 16526768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1693, 1720, 3386, 3440, 6772, 6880, 8465, 13544, 16930, 27088, 33860, 54176, 67720, 72799, 135440, 145598, 270880, 291196, 363995, 582392, 727990, 1164784, 1455980, 2329568, 2911960, 5823920, 11647840]

約数ペア:

[(1, 11647840), (2, 5823920), (4, 2911960), (5, 2329568), (8, 1455980), (10, 1164784), (16, 727990), (20, 582392), (32, 363995), (40, 291196), (43, 270880), (80, 145598), (86, 135440), (160, 72799), (172, 67720), (215, 54176), (344, 33860), (430, 27088), (688, 16930), (860, 13544), (1376, 8465), (1693, 6880), (1720, 6772), (3386, 3440)]