165826480

素因数分解:

$2^4\times 5^1\times {\mathrm{2072831}}^1$

素因数の和:2072844

約数の個数: 20

約数和(自身を含む): 385546752

約数和(自身を除く): 219720272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2072831, 4145662, 8291324, 10364155, 16582648, 20728310, 33165296, 41456620, 82913240, 165826480]

約数ペア:

[(1, 165826480), (2, 82913240), (4, 41456620), (5, 33165296), (8, 20728310), (10, 16582648), (16, 10364155), (20, 8291324), (40, 4145662), (80, 2072831)]