8581232020

素因数分解:

$2^2\times 5^1\times {\mathrm{429061601}}^1$

素因数の和:429061610

約数の個数: 12

約数和(自身を含む): 18020587284

約数和(自身を除く): 9439355264

約数列:

[1, 2, 4, 5, 10, 20, 429061601, 858123202, 1716246404, 2145308005, 4290616010, 8581232020]

約数ペア:

[(1, 8581232020), (2, 4290616010), (4, 2145308005), (5, 1716246404), (10, 858123202), (20, 429061601)]