9778820860

素因数分解:

$2^2\times 5^1\times {\mathrm{488941043}}^1$

素因数の和:488941052

約数の個数: 12

約数和(自身を含む): 20535523848

約数和(自身を除く): 10756702988

約数列:

[1, 2, 4, 5, 10, 20, 488941043, 977882086, 1955764172, 2444705215, 4889410430, 9778820860]

約数ペア:

[(1, 9778820860), (2, 4889410430), (4, 2444705215), (5, 1955764172), (10, 977882086), (20, 488941043)]