168264560

素因数分解:

$2^4\times 5^1\times {\mathrm{2103307}}^1$

素因数の和:2103320

約数の個数: 20

約数和(自身を含む): 391215288

約数和(自身を除く): 222950728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2103307, 4206614, 8413228, 10516535, 16826456, 21033070, 33652912, 42066140, 84132280, 168264560]

約数ペア:

[(1, 168264560), (2, 84132280), (4, 42066140), (5, 33652912), (8, 21033070), (10, 16826456), (16, 10516535), (20, 8413228), (40, 4206614), (80, 2103307)]