280143040

素因数分解:

$2^6\times 5^1\times {\mathrm{875447}}^1$

素因数の和:875464

約数の個数: 28

約数和(自身を含む): 667091376

約数和(自身を除く): 386948336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 875447, 1750894, 3501788, 4377235, 7003576, 8754470, 14007152, 17508940, 28014304, 35017880, 56028608, 70035760, 140071520, 280143040]

約数ペア:

[(1, 280143040), (2, 140071520), (4, 70035760), (5, 56028608), (8, 35017880), (10, 28014304), (16, 17508940), (20, 14007152), (32, 8754470), (40, 7003576), (64, 4377235), (80, 3501788), (160, 1750894), (320, 875447)]