166880240

素因数分解:

$2^4\times 5^1\times {\mathrm{2086003}}^1$

素因数の和:2086016

約数の個数: 20

約数和(自身を含む): 387996744

約数和(自身を除く): 221116504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2086003, 4172006, 8344012, 10430015, 16688024, 20860030, 33376048, 41720060, 83440120, 166880240]

約数ペア:

[(1, 166880240), (2, 83440120), (4, 41720060), (5, 33376048), (8, 20860030), (10, 16688024), (16, 10430015), (20, 8344012), (40, 4172006), (80, 2086003)]