40517836

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{128221}}^1$

素因数の和:128304

約数の個数: 12

約数和(自身を含む): 71804320

約数和(自身を除く): 31286484

約数列:

[1, 2, 4, 79, 158, 316, 128221, 256442, 512884, 10129459, 20258918, 40517836]

約数ペア:

[(1, 40517836), (2, 20258918), (4, 10129459), (79, 512884), (158, 256442), (316, 128221)]