40209766

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{1117}}^1$

素因数の和:1599

約数の個数: 16

約数和(自身を含む): 61981920

約数和(自身を除く): 21772154

約数列:

[1, 2, 41, 82, 439, 878, 1117, 2234, 17999, 35998, 45797, 91594, 490363, 980726, 20104883, 40209766]

約数ペア:

[(1, 40209766), (2, 20104883), (41, 980726), (82, 490363), (439, 91594), (878, 45797), (1117, 35998), (2234, 17999)]