139280

素因数分解:

$2^4\times 5^1\times {\mathrm{1741}}^1$

素因数の和:1754

約数の個数: 20

約数和(自身を含む): 324012

約数和(自身を除く): 184732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1741, 3482, 6964, 8705, 13928, 17410, 27856, 34820, 69640, 139280]

約数ペア:

[(1, 139280), (2, 69640), (4, 34820), (5, 27856), (8, 17410), (10, 13928), (16, 8705), (20, 6964), (40, 3482), (80, 1741)]