66535240

素因数分解:

$2^3\times 5^1\times {\mathrm{1663381}}^1$

素因数の和:1663392

約数の個数: 16

約数和(自身を含む): 149704380

約数和(自身を除く): 83169140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1663381, 3326762, 6653524, 8316905, 13307048, 16633810, 33267620, 66535240]

約数ペア:

[(1, 66535240), (2, 33267620), (4, 16633810), (5, 13307048), (8, 8316905), (10, 6653524), (20, 3326762), (40, 1663381)]