139603840

素因数分解:

$2^7\times 5^1\times {\mathrm{218131}}^1$

素因数の和:218150

約数の個数: 32

約数和(自身を含む): 333741960

約数和(自身を除く): 194138120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 218131, 436262, 872524, 1090655, 1745048, 2181310, 3490096, 4362620, 6980192, 8725240, 13960384, 17450480, 27920768, 34900960, 69801920, 139603840]

約数ペア:

[(1, 139603840), (2, 69801920), (4, 34900960), (5, 27920768), (8, 17450480), (10, 13960384), (16, 8725240), (20, 6980192), (32, 4362620), (40, 3490096), (64, 2181310), (80, 1745048), (128, 1090655), (160, 872524), (320, 436262), (640, 218131)]