9968149780

素因数分解:

$2^2\times 5^1\times {\mathrm{498407489}}^1$

素因数の和:498407498

約数の個数: 12

約数和(自身を含む): 20933114580

約数和(自身を除く): 10964964800

約数列:

[1, 2, 4, 5, 10, 20, 498407489, 996814978, 1993629956, 2492037445, 4984074890, 9968149780]

約数ペア:

[(1, 9968149780), (2, 4984074890), (4, 2492037445), (5, 1993629956), (10, 996814978), (20, 498407489)]