40864588

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{65071}}^1$

素因数の和:65232

約数の個数: 12

約数和(自身を含む): 71969632

約数和(自身を除く): 31105044

約数列:

[1, 2, 4, 157, 314, 628, 65071, 130142, 260284, 10216147, 20432294, 40864588]

約数ペア:

[(1, 40864588), (2, 20432294), (4, 10216147), (157, 260284), (314, 130142), (628, 65071)]