82557080

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{7451}}^1$

素因数の和:7739

約数の個数: 32

約数和(自身を含む): 186449040

約数和(自身を除く): 103891960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 7451, 11080, 14902, 29804, 37255, 59608, 74510, 149020, 298040, 2063927, 4127854, 8255708, 10319635, 16511416, 20639270, 41278540, 82557080]

約数ペア:

[(1, 82557080), (2, 41278540), (4, 20639270), (5, 16511416), (8, 10319635), (10, 8255708), (20, 4127854), (40, 2063927), (277, 298040), (554, 149020), (1108, 74510), (1385, 59608), (2216, 37255), (2770, 29804), (5540, 14902), (7451, 11080)]