4026520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2341}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 9274320

約数和(自身を除く): 5247800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2341, 4682, 9364, 11705, 18728, 23410, 46820, 93640, 100663, 201326, 402652, 503315, 805304, 1006630, 2013260, 4026520]

約数ペア:

[(1, 4026520), (2, 2013260), (4, 1006630), (5, 805304), (8, 503315), (10, 402652), (20, 201326), (40, 100663), (43, 93640), (86, 46820), (172, 23410), (215, 18728), (344, 11705), (430, 9364), (860, 4682), (1720, 2341)]