66900040

素因数分解:

$2^3\times 5^1\times {\mathrm{1672501}}^1$

素因数の和:1672512

約数の個数: 16

約数和(自身を含む): 150525180

約数和(自身を除く): 83625140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1672501, 3345002, 6690004, 8362505, 13380008, 16725010, 33450020, 66900040]

約数ペア:

[(1, 66900040), (2, 33450020), (4, 16725010), (5, 13380008), (8, 8362505), (10, 6690004), (20, 3345002), (40, 1672501)]