8648060

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3967}}^1$

素因数の和:4085

約数の個数: 24

約数和(自身を含む): 18332160

約数和(自身を除く): 9684100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 3967, 7934, 15868, 19835, 39670, 79340, 432403, 864806, 1729612, 2162015, 4324030, 8648060]

約数ペア:

[(1, 8648060), (2, 4324030), (4, 2162015), (5, 1729612), (10, 864806), (20, 432403), (109, 79340), (218, 39670), (436, 19835), (545, 15868), (1090, 7934), (2180, 3967)]