20161020560

素因数分解:

$2^4\times 5^1\times {\mathrm{252012757}}^1$

素因数の和:252012770

約数の個数: 20

約数和(自身を含む): 46874372988

約数和(自身を除く): 26713352428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252012757, 504025514, 1008051028, 1260063785, 2016102056, 2520127570, 4032204112, 5040255140, 10080510280, 20161020560]

約数ペア:

[(1, 20161020560), (2, 10080510280), (4, 5040255140), (5, 4032204112), (8, 2520127570), (10, 2016102056), (16, 1260063785), (20, 1008051028), (40, 504025514), (80, 252012757)]