8257720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4801}}^1$

素因数の和:4855

約数の個数: 32

約数和(自身を含む): 19015920

約数和(自身を除く): 10758200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4801, 9602, 19204, 24005, 38408, 48010, 96020, 192040, 206443, 412886, 825772, 1032215, 1651544, 2064430, 4128860, 8257720]

約数ペア:

[(1, 8257720), (2, 4128860), (4, 2064430), (5, 1651544), (8, 1032215), (10, 825772), (20, 412886), (40, 206443), (43, 192040), (86, 96020), (172, 48010), (215, 38408), (344, 24005), (430, 19204), (860, 9602), (1720, 4801)]