40018156

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{140909}}^1$

素因数の和:140984

約数の個数: 12

約数和(自身を含む): 71018640

約数和(自身を除く): 31000484

約数列:

[1, 2, 4, 71, 142, 284, 140909, 281818, 563636, 10004539, 20009078, 40018156]

約数ペア:

[(1, 40018156), (2, 20009078), (4, 10004539), (71, 563636), (142, 281818), (284, 140909)]