207690640

素因数分解:

$2^4\times 5^1\times {\mathrm{2596133}}^1$

素因数の和:2596146

約数の個数: 20

約数和(自身を含む): 482880924

約数和(自身を除く): 275190284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2596133, 5192266, 10384532, 12980665, 20769064, 25961330, 41538128, 51922660, 103845320, 207690640]

約数ペア:

[(1, 207690640), (2, 103845320), (4, 51922660), (5, 41538128), (8, 25961330), (10, 20769064), (16, 12980665), (20, 10384532), (40, 5192266), (80, 2596133)]