86508020

素因数分解:

$2^2\times 5^1\times {\mathrm{4325401}}^1$

素因数の和:4325410

約数の個数: 12

約数和(自身を含む): 181666884

約数和(自身を除く): 95158864

約数列:

[1, 2, 4, 5, 10, 20, 4325401, 8650802, 17301604, 21627005, 43254010, 86508020]

約数ペア:

[(1, 86508020), (2, 43254010), (4, 21627005), (5, 17301604), (10, 8650802), (20, 4325401)]