40990676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{539351}}^1$

素因数の和:539374

約数の個数: 12

約数和(自身を含む): 75509280

約数和(自身を除く): 34518604

約数列:

[1, 2, 4, 19, 38, 76, 539351, 1078702, 2157404, 10247669, 20495338, 40990676]

約数ペア:

[(1, 40990676), (2, 20495338), (4, 10247669), (19, 2157404), (38, 1078702), (76, 539351)]