2021540440

素因数分解:

$2^3\times 5^1\times {\mathrm{50538511}}^1$

素因数の和:50538522

約数の個数: 16

約数和(自身を含む): 4548466080

約数和(自身を除く): 2526925640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50538511, 101077022, 202154044, 252692555, 404308088, 505385110, 1010770220, 2021540440]

約数ペア:

[(1, 2021540440), (2, 1010770220), (4, 505385110), (5, 404308088), (8, 252692555), (10, 202154044), (20, 101077022), (40, 50538511)]