66606440

素因数分解:

$2^3\times 5^1\times {\mathrm{1665161}}^1$

素因数の和:1665172

約数の個数: 16

約数和(自身を含む): 149864580

約数和(自身を除く): 83258140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1665161, 3330322, 6660644, 8325805, 13321288, 16651610, 33303220, 66606440]

約数ペア:

[(1, 66606440), (2, 33303220), (4, 16651610), (5, 13321288), (8, 8325805), (10, 6660644), (20, 3330322), (40, 1665161)]