8760020

素因数分解:

$2^2\times 5^1\times {\mathrm{438001}}^1$

素因数の和:438010

約数の個数: 12

約数和(自身を含む): 18396084

約数和(自身を除く): 9636064

約数列:

[1, 2, 4, 5, 10, 20, 438001, 876002, 1752004, 2190005, 4380010, 8760020]

約数ペア:

[(1, 8760020), (2, 4380010), (4, 2190005), (5, 1752004), (10, 876002), (20, 438001)]