17115440

素因数分解:

$2^4\times 5^1\times {\mathrm{213943}}^1$

素因数の和:213956

約数の個数: 20

約数和(自身を含む): 39793584

約数和(自身を除く): 22678144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 213943, 427886, 855772, 1069715, 1711544, 2139430, 3423088, 4278860, 8557720, 17115440]

約数ペア:

[(1, 17115440), (2, 8557720), (4, 4278860), (5, 3423088), (8, 2139430), (10, 1711544), (16, 1069715), (20, 855772), (40, 427886), (80, 213943)]