211291240

素因数分解:

$2^3\times 5^1\times {\mathrm{5282281}}^1$

素因数の和:5282292

約数の個数: 16

約数和(自身を含む): 475405380

約数和(自身を除く): 264114140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5282281, 10564562, 21129124, 26411405, 42258248, 52822810, 105645620, 211291240]

約数ペア:

[(1, 211291240), (2, 105645620), (4, 52822810), (5, 42258248), (8, 26411405), (10, 21129124), (20, 10564562), (40, 5282281)]