219492040

素因数分解:

$2^3\times 5^1\times {\mathrm{5487301}}^1$

素因数の和:5487312

約数の個数: 16

約数和(自身を含む): 493857180

約数和(自身を除く): 274365140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5487301, 10974602, 21949204, 27436505, 43898408, 54873010, 109746020, 219492040]

約数ペア:

[(1, 219492040), (2, 109746020), (4, 54873010), (5, 43898408), (8, 27436505), (10, 21949204), (20, 10974602), (40, 5487301)]