2051960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 4728240

約数和(自身を除く): 2676280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1193, 1720, 2386, 4772, 5965, 9544, 11930, 23860, 47720, 51299, 102598, 205196, 256495, 410392, 512990, 1025980, 2051960]

約数ペア:

[(1, 2051960), (2, 1025980), (4, 512990), (5, 410392), (8, 256495), (10, 205196), (20, 102598), (40, 51299), (43, 47720), (86, 23860), (172, 11930), (215, 9544), (344, 5965), (430, 4772), (860, 2386), (1193, 1720)]