66842180

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{18671}}^1$

素因数の和:18859

約数の個数: 24

約数和(自身を含む): 141160320

約数和(自身を除く): 74318140

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 18671, 37342, 74684, 93355, 186710, 373420, 3342109, 6684218, 13368436, 16710545, 33421090, 66842180]

約数ペア:

[(1, 66842180), (2, 33421090), (4, 16710545), (5, 13368436), (10, 6684218), (20, 3342109), (179, 373420), (358, 186710), (716, 93355), (895, 74684), (1790, 37342), (3580, 18671)]