28735820

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{5077}}^1$

素因数の和:5369

約数の個数: 24

約数和(自身を含む): 60570384

約数和(自身を除く): 31834564

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5077, 5660, 10154, 20308, 25385, 50770, 101540, 1436791, 2873582, 5747164, 7183955, 14367910, 28735820]

約数ペア:

[(1, 28735820), (2, 14367910), (4, 7183955), (5, 5747164), (10, 2873582), (20, 1436791), (283, 101540), (566, 50770), (1132, 25385), (1415, 20308), (2830, 10154), (5077, 5660)]