56871303640

素因数分解:

$2^3\times 5^1\times {\mathrm{1421782591}}^1$

素因数の和:1421782602

約数の個数: 16

約数和(自身を含む): 127960433280

約数和(自身を除く): 71089129640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1421782591, 2843565182, 5687130364, 7108912955, 11374260728, 14217825910, 28435651820, 56871303640]

約数ペア:

[(1, 56871303640), (2, 28435651820), (4, 14217825910), (5, 11374260728), (8, 7108912955), (10, 5687130364), (20, 2843565182), (40, 1421782591)]