9921250

素因数分解:

$2^1\times 5^4\times {\mathrm{7937}}^1$

素因数の和:7959

約数の個数: 20

約数和(自身を含む): 18598734

約数和(自身を除く): 8677484

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 7937, 15874, 39685, 79370, 198425, 396850, 992125, 1984250, 4960625, 9921250]

約数ペア:

[(1, 9921250), (2, 4960625), (5, 1984250), (10, 992125), (25, 396850), (50, 198425), (125, 79370), (250, 39685), (625, 15874), (1250, 7937)]