208065740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{95443}}^1$

素因数の和:95561

約数の個数: 24

約数和(自身を含む): 440951280

約数和(自身を除く): 232885540

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 95443, 190886, 381772, 477215, 954430, 1908860, 10403287, 20806574, 41613148, 52016435, 104032870, 208065740]

約数ペア:

[(1, 208065740), (2, 104032870), (4, 52016435), (5, 41613148), (10, 20806574), (20, 10403287), (109, 1908860), (218, 954430), (436, 477215), (545, 381772), (1090, 190886), (2180, 95443)]