139628120

素因数分解:

$2^3\times 5^1\times {\mathrm{3490703}}^1$

素因数の和:3490714

約数の個数: 16

約数和(自身を含む): 314163360

約数和(自身を除く): 174535240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3490703, 6981406, 13962812, 17453515, 27925624, 34907030, 69814060, 139628120]

約数ペア:

[(1, 139628120), (2, 69814060), (4, 34907030), (5, 27925624), (8, 17453515), (10, 13962812), (20, 6981406), (40, 3490703)]