85090520

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{5077}}^1$

素因数の和:5507

約数の個数: 32

約数和(自身を含む): 191948400

約数和(自身を除く): 106857880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 5077, 8380, 10154, 16760, 20308, 25385, 40616, 50770, 101540, 203080, 2127263, 4254526, 8509052, 10636315, 17018104, 21272630, 42545260, 85090520]

約数ペア:

[(1, 85090520), (2, 42545260), (4, 21272630), (5, 17018104), (8, 10636315), (10, 8509052), (20, 4254526), (40, 2127263), (419, 203080), (838, 101540), (1676, 50770), (2095, 40616), (3352, 25385), (4190, 20308), (5077, 16760), (8380, 10154)]