427776880

素因数分解:

$2^4\times 5^1\times {\mathrm{5347211}}^1$

素因数の和:5347224

約数の個数: 20

約数和(自身を含む): 994581432

約数和(自身を除く): 566804552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5347211, 10694422, 21388844, 26736055, 42777688, 53472110, 85555376, 106944220, 213888440, 427776880]

約数ペア:

[(1, 427776880), (2, 213888440), (4, 106944220), (5, 85555376), (8, 53472110), (10, 42777688), (16, 26736055), (20, 21388844), (40, 10694422), (80, 5347211)]