54686540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{63589}}^1$

素因数の和:63641

約数の個数: 24

約数和(自身を含む): 117514320

約数和(自身を除く): 62827780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 63589, 127178, 254356, 317945, 635890, 1271780, 2734327, 5468654, 10937308, 13671635, 27343270, 54686540]

約数ペア:

[(1, 54686540), (2, 27343270), (4, 13671635), (5, 10937308), (10, 5468654), (20, 2734327), (43, 1271780), (86, 635890), (172, 317945), (215, 254356), (430, 127178), (860, 63589)]