40404004

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{234907}}^1$

素因数の和:234954

約数の個数: 12

約数和(自身を含む): 72351664

約数和(自身を除く): 31947660

約数列:

[1, 2, 4, 43, 86, 172, 234907, 469814, 939628, 10101001, 20202002, 40404004]

約数ペア:

[(1, 40404004), (2, 20202002), (4, 10101001), (43, 939628), (86, 469814), (172, 234907)]