7015240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1609}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 15939000

約数和(自身を除く): 8923760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1609, 2180, 3218, 4360, 6436, 8045, 12872, 16090, 32180, 64360, 175381, 350762, 701524, 876905, 1403048, 1753810, 3507620, 7015240]

約数ペア:

[(1, 7015240), (2, 3507620), (4, 1753810), (5, 1403048), (8, 876905), (10, 701524), (20, 350762), (40, 175381), (109, 64360), (218, 32180), (436, 16090), (545, 12872), (872, 8045), (1090, 6436), (1609, 4360), (2180, 3218)]