66206980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{472907}}^1$

素因数の和:472923

約数の個数: 24

約数和(自身を含む): 158897088

約数和(自身を除く): 92690108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 472907, 945814, 1891628, 2364535, 3310349, 4729070, 6620698, 9458140, 13241396, 16551745, 33103490, 66206980]

約数ペア:

[(1, 66206980), (2, 33103490), (4, 16551745), (5, 13241396), (7, 9458140), (10, 6620698), (14, 4729070), (20, 3310349), (28, 2364535), (35, 1891628), (70, 945814), (140, 472907)]