180264880

素因数分解:

$2^4\times 5^1\times {\mathrm{2253311}}^1$

素因数の和:2253324

約数の個数: 20

約数和(自身を含む): 419116032

約数和(自身を除く): 238851152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2253311, 4506622, 9013244, 11266555, 18026488, 22533110, 36052976, 45066220, 90132440, 180264880]

約数ペア:

[(1, 180264880), (2, 90132440), (4, 45066220), (5, 36052976), (8, 22533110), (10, 18026488), (16, 11266555), (20, 9013244), (40, 4506622), (80, 2253311)]