215395240

素因数分解:

$2^3\times 5^1\times {\mathrm{5384881}}^1$

素因数の和:5384892

約数の個数: 16

約数和(自身を含む): 484639380

約数和(自身を除く): 269244140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5384881, 10769762, 21539524, 26924405, 43079048, 53848810, 107697620, 215395240]

約数ペア:

[(1, 215395240), (2, 107697620), (4, 53848810), (5, 43079048), (8, 26924405), (10, 21539524), (20, 10769762), (40, 5384881)]