87264040

素因数分解:

$2^3\times 5^1\times {\mathrm{2181601}}^1$

素因数の和:2181612

約数の個数: 16

約数和(自身を含む): 196344180

約数和(自身を除く): 109080140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2181601, 4363202, 8726404, 10908005, 17452808, 21816010, 43632020, 87264040]

約数ペア:

[(1, 87264040), (2, 43632020), (4, 21816010), (5, 17452808), (8, 10908005), (10, 8726404), (20, 4363202), (40, 2181601)]