3959440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1207

約数の個数: 40

約数和(自身を含む): 9427968

約数和(自身を除く): 5468528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1151, 1720, 2302, 3440, 4604, 5755, 9208, 11510, 18416, 23020, 46040, 49493, 92080, 98986, 197972, 247465, 395944, 494930, 791888, 989860, 1979720, 3959440]

約数ペア:

[(1, 3959440), (2, 1979720), (4, 989860), (5, 791888), (8, 494930), (10, 395944), (16, 247465), (20, 197972), (40, 98986), (43, 92080), (80, 49493), (86, 46040), (172, 23020), (215, 18416), (344, 11510), (430, 9208), (688, 5755), (860, 4604), (1151, 3440), (1720, 2302)]