133229540

素因数分解:

$2^2\times 5^1\times {\mathrm{6661477}}^1$

素因数の和:6661486

約数の個数: 12

約数和(自身を含む): 279782076

約数和(自身を除く): 146552536

約数列:

[1, 2, 4, 5, 10, 20, 6661477, 13322954, 26645908, 33307385, 66614770, 133229540]

約数ペア:

[(1, 133229540), (2, 66614770), (4, 33307385), (5, 26645908), (10, 13322954), (20, 6661477)]