87086418040

素因数分解:

$2^3\times 5^1\times {\mathrm{17659}}^1\times {\mathrm{123289}}^1$

素因数の和:140959

約数の個数: 32

約数和(自身を含む): 195957126000

約数和(自身を除く): 108870707960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 17659, 35318, 70636, 88295, 123289, 141272, 176590, 246578, 353180, 493156, 616445, 706360, 986312, 1232890, 2465780, 4931560, 2177160451, 4354320902, 8708641804, 10885802255, 17417283608, 21771604510, 43543209020, 87086418040]

約数ペア:

[(1, 87086418040), (2, 43543209020), (4, 21771604510), (5, 17417283608), (8, 10885802255), (10, 8708641804), (20, 4354320902), (40, 2177160451), (17659, 4931560), (35318, 2465780), (70636, 1232890), (88295, 986312), (123289, 706360), (141272, 616445), (176590, 493156), (246578, 353180)]