138560

素因数分解:

$2^6\times 5^1\times {\mathrm{433}}^1$

素因数の和:450

約数の個数: 28

約数和(自身を含む): 330708

約数和(自身を除く): 192148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 433, 866, 1732, 2165, 3464, 4330, 6928, 8660, 13856, 17320, 27712, 34640, 69280, 138560]

約数ペア:

[(1, 138560), (2, 69280), (4, 34640), (5, 27712), (8, 17320), (10, 13856), (16, 8660), (20, 6928), (32, 4330), (40, 3464), (64, 2165), (80, 1732), (160, 866), (320, 433)]