3950840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2297}}^1$

素因数の和:2351

約数の個数: 32

約数和(自身を含む): 9100080

約数和(自身を除く): 5149240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2297, 4594, 9188, 11485, 18376, 22970, 45940, 91880, 98771, 197542, 395084, 493855, 790168, 987710, 1975420, 3950840]

約数ペア:

[(1, 3950840), (2, 1975420), (4, 987710), (5, 790168), (8, 493855), (10, 395084), (20, 197542), (40, 98771), (43, 91880), (86, 45940), (172, 22970), (215, 18376), (344, 11485), (430, 9188), (860, 4594), (1720, 2297)]