40180028

素因数分解:

$2^2\times 7^1\times {\mathrm{1435001}}^1$

素因数の和:1435012

約数の個数: 12

約数和(自身を含む): 80360112

約数和(自身を除く): 40180084

約数列:

[1, 2, 4, 7, 14, 28, 1435001, 2870002, 5740004, 10045007, 20090014, 40180028]

約数ペア:

[(1, 40180028), (2, 20090014), (4, 10045007), (7, 5740004), (14, 2870002), (28, 1435001)]