140480

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1$

素因数の和:456

約数の個数: 28

約数和(自身を含む): 335280

約数和(自身を除く): 194800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 878, 1756, 2195, 3512, 4390, 7024, 8780, 14048, 17560, 28096, 35120, 70240, 140480]

約数ペア:

[(1, 140480), (2, 70240), (4, 35120), (5, 28096), (8, 17560), (10, 14048), (16, 8780), (20, 7024), (32, 4390), (40, 3512), (64, 2195), (80, 1756), (160, 878), (320, 439)]