40197800

素因数分解:

$2^3\times 5^2\times {\mathrm{200989}}^1$

素因数の和:201005

約数の個数: 24

約数和(自身を含む): 93460350

約数和(自身を除く): 53262550

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 200989, 401978, 803956, 1004945, 1607912, 2009890, 4019780, 5024725, 8039560, 10049450, 20098900, 40197800]

約数ペア:

[(1, 40197800), (2, 20098900), (4, 10049450), (5, 8039560), (8, 5024725), (10, 4019780), (20, 2009890), (25, 1607912), (40, 1004945), (50, 803956), (100, 401978), (200, 200989)]