13640030

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31721}}^1$

素因数の和:31771

約数の個数: 16

約数和(自身を含む): 25123824

約数和(自身を除く): 11483794

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 31721, 63442, 158605, 317210, 1364003, 2728006, 6820015, 13640030]

約数ペア:

[(1, 13640030), (2, 6820015), (5, 2728006), (10, 1364003), (43, 317210), (86, 158605), (215, 63442), (430, 31721)]