77663120

素因数分解:

$2^4\times 5^1\times {\mathrm{970789}}^1$

素因数の和:970802

約数の個数: 20

約数和(自身を含む): 180566940

約数和(自身を除く): 102903820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 970789, 1941578, 3883156, 4853945, 7766312, 9707890, 15532624, 19415780, 38831560, 77663120]

約数ペア:

[(1, 77663120), (2, 38831560), (4, 19415780), (5, 15532624), (8, 9707890), (10, 7766312), (16, 4853945), (20, 3883156), (40, 1941578), (80, 970789)]