208166080

素因数分解:

$2^6\times 5^1\times {\mathrm{650519}}^1$

素因数の和:650536

約数の個数: 28

約数和(自身を含む): 495696240

約数和(自身を除く): 287530160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 650519, 1301038, 2602076, 3252595, 5204152, 6505190, 10408304, 13010380, 20816608, 26020760, 41633216, 52041520, 104083040, 208166080]

約数ペア:

[(1, 208166080), (2, 104083040), (4, 52041520), (5, 41633216), (8, 26020760), (10, 20816608), (16, 13010380), (20, 10408304), (32, 6505190), (40, 5204152), (64, 3252595), (80, 2602076), (160, 1301038), (320, 650519)]