40281904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193663}}^1$

素因数の和:193684

約数の個数: 20

約数和(自身を含む): 84050176

約数和(自身を除く): 43768272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 193663, 387326, 774652, 1549304, 2517619, 3098608, 5035238, 10070476, 20140952, 40281904]

約数ペア:

[(1, 40281904), (2, 20140952), (4, 10070476), (8, 5035238), (13, 3098608), (16, 2517619), (26, 1549304), (52, 774652), (104, 387326), (208, 193663)]