215680

素因数分解:

$2^7\times 5^1\times {\mathrm{337}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 517140

約数和(自身を除く): 301460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 337, 640, 674, 1348, 1685, 2696, 3370, 5392, 6740, 10784, 13480, 21568, 26960, 43136, 53920, 107840, 215680]

約数ペア:

[(1, 215680), (2, 107840), (4, 53920), (5, 43136), (8, 26960), (10, 21568), (16, 13480), (20, 10784), (32, 6740), (40, 5392), (64, 3370), (80, 2696), (128, 1685), (160, 1348), (320, 674), (337, 640)]