80451360020

素因数分解:

$2^2\times 5^1\times {\mathrm{4022568001}}^1$

素因数の和:4022568010

約数の個数: 12

約数和(自身を含む): 168947856084

約数和(自身を除く): 88496496064

約数列:

[1, 2, 4, 5, 10, 20, 4022568001, 8045136002, 16090272004, 20112840005, 40225680010, 80451360020]

約数ペア:

[(1, 80451360020), (2, 40225680010), (4, 20112840005), (5, 16090272004), (10, 8045136002), (20, 4022568001)]