17142640

素因数分解:

$2^4\times 5^1\times {\mathrm{214283}}^1$

素因数の和:214296

約数の個数: 20

約数和(自身を含む): 39856824

約数和(自身を除く): 22714184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 214283, 428566, 857132, 1071415, 1714264, 2142830, 3428528, 4285660, 8571320, 17142640]

約数ペア:

[(1, 17142640), (2, 8571320), (4, 4285660), (5, 3428528), (8, 2142830), (10, 1714264), (16, 1071415), (20, 857132), (40, 428566), (80, 214283)]