160213880

素因数分解:

$2^3\times 5^1\times {\mathrm{4005347}}^1$

素因数の和:4005358

約数の個数: 16

約数和(自身を含む): 360481320

約数和(自身を除く): 200267440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4005347, 8010694, 16021388, 20026735, 32042776, 40053470, 80106940, 160213880]

約数ペア:

[(1, 160213880), (2, 80106940), (4, 40053470), (5, 32042776), (8, 20026735), (10, 16021388), (20, 8010694), (40, 4005347)]