259492040

素因数分解:

$2^3\times 5^1\times {\mathrm{6487301}}^1$

素因数の和:6487312

約数の個数: 16

約数和(自身を含む): 583857180

約数和(自身を除く): 324365140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6487301, 12974602, 25949204, 32436505, 51898408, 64873010, 129746020, 259492040]

約数ペア:

[(1, 259492040), (2, 129746020), (4, 64873010), (5, 51898408), (8, 32436505), (10, 25949204), (20, 12974602), (40, 6487301)]