13664720

素因数分解:

$2^4\times 5^1\times {\mathrm{170809}}^1$

素因数の和:170822

約数の個数: 20

約数和(自身を含む): 31770660

約数和(自身を除く): 18105940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 170809, 341618, 683236, 854045, 1366472, 1708090, 2732944, 3416180, 6832360, 13664720]

約数ペア:

[(1, 13664720), (2, 6832360), (4, 3416180), (5, 2732944), (8, 1708090), (10, 1366472), (16, 854045), (20, 683236), (40, 341618), (80, 170809)]