134865680

素因数分解:

$2^4\times 5^1\times {\mathrm{1685821}}^1$

素因数の和:1685834

約数の個数: 20

約数和(自身を含む): 313562892

約数和(自身を除く): 178697212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1685821, 3371642, 6743284, 8429105, 13486568, 16858210, 26973136, 33716420, 67432840, 134865680]

約数ペア:

[(1, 134865680), (2, 67432840), (4, 33716420), (5, 26973136), (8, 16858210), (10, 13486568), (16, 8429105), (20, 6743284), (40, 3371642), (80, 1685821)]