565560020

素因数分解:

$2^2\times 5^1\times {\mathrm{28278001}}^1$

素因数の和:28278010

約数の個数: 12

約数和(自身を含む): 1187676084

約数和(自身を除く): 622116064

約数列:

[1, 2, 4, 5, 10, 20, 28278001, 56556002, 113112004, 141390005, 282780010, 565560020]

約数ペア:

[(1, 565560020), (2, 282780010), (4, 141390005), (5, 113112004), (10, 56556002), (20, 28278001)]