28464880

素因数分解:

$2^4\times 5^1\times {\mathrm{355811}}^1$

素因数の和:355824

約数の個数: 20

約数和(自身を含む): 66181032

約数和(自身を除く): 37716152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355811, 711622, 1423244, 1779055, 2846488, 3558110, 5692976, 7116220, 14232440, 28464880]

約数ペア:

[(1, 28464880), (2, 14232440), (4, 7116220), (5, 5692976), (8, 3558110), (10, 2846488), (16, 1779055), (20, 1423244), (40, 711622), (80, 355811)]