340477640

素因数分解:

$2^3\times 5^1\times {\mathrm{8511941}}^1$

素因数の和:8511952

約数の個数: 16

約数和(自身を含む): 766074780

約数和(自身を除く): 425597140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8511941, 17023882, 34047764, 42559705, 68095528, 85119410, 170238820, 340477640]

約数ペア:

[(1, 340477640), (2, 170238820), (4, 85119410), (5, 68095528), (8, 42559705), (10, 34047764), (20, 17023882), (40, 8511941)]