139492040

素因数分解:

$2^3\times 5^1\times {\mathrm{3487301}}^1$

素因数の和:3487312

約数の個数: 16

約数和(自身を含む): 313857180

約数和(自身を除く): 174365140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3487301, 6974602, 13949204, 17436505, 27898408, 34873010, 69746020, 139492040]

約数ペア:

[(1, 139492040), (2, 69746020), (4, 34873010), (5, 27898408), (8, 17436505), (10, 13949204), (20, 6974602), (40, 3487301)]