66744880

素因数分解:

$2^4\times 5^1\times {\mathrm{834311}}^1$

素因数の和:834324

約数の個数: 20

約数和(自身を含む): 155182032

約数和(自身を除く): 88437152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 834311, 1668622, 3337244, 4171555, 6674488, 8343110, 13348976, 16686220, 33372440, 66744880]

約数ペア:

[(1, 66744880), (2, 33372440), (4, 16686220), (5, 13348976), (8, 8343110), (10, 6674488), (16, 4171555), (20, 3337244), (40, 1668622), (80, 834311)]