80785720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106297}}^1$

素因数の和:106327

約数の個数: 32

約数和(自身を含む): 191336400

約数和(自身を除く): 110550680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 106297, 212594, 425188, 531485, 850376, 1062970, 2019643, 2125940, 4039286, 4251880, 8078572, 10098215, 16157144, 20196430, 40392860, 80785720]

約数ペア:

[(1, 80785720), (2, 40392860), (4, 20196430), (5, 16157144), (8, 10098215), (10, 8078572), (19, 4251880), (20, 4039286), (38, 2125940), (40, 2019643), (76, 1062970), (95, 850376), (152, 531485), (190, 425188), (380, 212594), (760, 106297)]