201664040

素因数分解:

$2^3\times 5^1\times {\mathrm{5041601}}^1$

素因数の和:5041612

約数の個数: 16

約数和(自身を含む): 453744180

約数和(自身を除く): 252080140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5041601, 10083202, 20166404, 25208005, 40332808, 50416010, 100832020, 201664040]

約数ペア:

[(1, 201664040), (2, 100832020), (4, 50416010), (5, 40332808), (8, 25208005), (10, 20166404), (20, 10083202), (40, 5041601)]