9749780

素因数分解:

$2^2\times 5^1\times {\mathrm{487489}}^1$

素因数の和:487498

約数の個数: 12

約数和(自身を含む): 20474580

約数和(自身を除く): 10724800

約数列:

[1, 2, 4, 5, 10, 20, 487489, 974978, 1949956, 2437445, 4874890, 9749780]

約数ペア:

[(1, 9749780), (2, 4874890), (4, 2437445), (5, 1949956), (10, 974978), (20, 487489)]