80695220

素因数分解:

$2^2\times 5^1\times {\mathrm{4034761}}^1$

素因数の和:4034770

約数の個数: 12

約数和(自身を含む): 169460004

約数和(自身を除く): 88764784

約数列:

[1, 2, 4, 5, 10, 20, 4034761, 8069522, 16139044, 20173805, 40347610, 80695220]

約数ペア:

[(1, 80695220), (2, 40347610), (4, 20173805), (5, 16139044), (10, 8069522), (20, 4034761)]