8207840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1251

約数の個数: 48

約数和(自身を含む): 19858608

約数和(自身を除く): 11650768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1193, 1376, 1720, 2386, 3440, 4772, 5965, 6880, 9544, 11930, 19088, 23860, 38176, 47720, 51299, 95440, 102598, 190880, 205196, 256495, 410392, 512990, 820784, 1025980, 1641568, 2051960, 4103920, 8207840]

約数ペア:

[(1, 8207840), (2, 4103920), (4, 2051960), (5, 1641568), (8, 1025980), (10, 820784), (16, 512990), (20, 410392), (32, 256495), (40, 205196), (43, 190880), (80, 102598), (86, 95440), (160, 51299), (172, 47720), (215, 38176), (344, 23860), (430, 19088), (688, 11930), (860, 9544), (1193, 6880), (1376, 5965), (1720, 4772), (2386, 3440)]