54399880

素因数分解:

$2^3\times 5^1\times {\mathrm{1359997}}^1$

素因数の和:1360008

約数の個数: 16

約数和(自身を含む): 122399820

約数和(自身を除く): 67999940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1359997, 2719994, 5439988, 6799985, 10879976, 13599970, 27199940, 54399880]

約数ペア:

[(1, 54399880), (2, 27199940), (4, 13599970), (5, 10879976), (8, 6799985), (10, 5439988), (20, 2719994), (40, 1359997)]