212824880

素因数分解:

$2^4\times 5^1\times {\mathrm{2660311}}^1$

素因数の和:2660324

約数の個数: 20

約数和(自身を含む): 494818032

約数和(自身を除く): 281993152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2660311, 5320622, 10641244, 13301555, 21282488, 26603110, 42564976, 53206220, 106412440, 212824880]

約数ペア:

[(1, 212824880), (2, 106412440), (4, 53206220), (5, 42564976), (8, 26603110), (10, 21282488), (16, 13301555), (20, 10641244), (40, 5320622), (80, 2660311)]