139465240

素因数分解:

$2^3\times 5^1\times {\mathrm{3486631}}^1$

素因数の和:3486642

約数の個数: 16

約数和(自身を含む): 313796880

約数和(自身を除く): 174331640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3486631, 6973262, 13946524, 17433155, 27893048, 34866310, 69732620, 139465240]

約数ペア:

[(1, 139465240), (2, 69732620), (4, 34866310), (5, 27893048), (8, 17433155), (10, 13946524), (20, 6973262), (40, 3486631)]