212528080

素因数分解:

$2^4\times 5^1\times {\mathrm{2656601}}^1$

素因数の和:2656614

約数の個数: 20

約数和(自身を含む): 494127972

約数和(自身を除く): 281599892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2656601, 5313202, 10626404, 13283005, 21252808, 26566010, 42505616, 53132020, 106264040, 212528080]

約数ペア:

[(1, 212528080), (2, 106264040), (4, 53132020), (5, 42505616), (8, 26566010), (10, 21252808), (16, 13283005), (20, 10626404), (40, 5313202), (80, 2656601)]