2688080

素因数分解:

$2^4\times 5^1\times {\mathrm{33601}}^1$

素因数の和:33614

約数の個数: 20

約数和(自身を含む): 6249972

約数和(自身を除く): 3561892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33601, 67202, 134404, 168005, 268808, 336010, 537616, 672020, 1344040, 2688080]

約数ペア:

[(1, 2688080), (2, 1344040), (4, 672020), (5, 537616), (8, 336010), (10, 268808), (16, 168005), (20, 134404), (40, 67202), (80, 33601)]