8687020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4217}}^1$

素因数の和:4329

約数の個数: 24

約数和(自身を含む): 18424224

約数和(自身を除く): 9737204

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 4217, 8434, 16868, 21085, 42170, 84340, 434351, 868702, 1737404, 2171755, 4343510, 8687020]

約数ペア:

[(1, 8687020), (2, 4343510), (4, 2171755), (5, 1737404), (10, 868702), (20, 434351), (103, 84340), (206, 42170), (412, 21085), (515, 16868), (1030, 8434), (2060, 4217)]