80429020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{574493}}^1$

素因数の和:574509

約数の個数: 24

約数和(自身を含む): 193029984

約数和(自身を除く): 112600964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 574493, 1148986, 2297972, 2872465, 4021451, 5744930, 8042902, 11489860, 16085804, 20107255, 40214510, 80429020]

約数ペア:

[(1, 80429020), (2, 40214510), (4, 20107255), (5, 16085804), (7, 11489860), (10, 8042902), (14, 5744930), (20, 4021451), (28, 2872465), (35, 2297972), (70, 1148986), (140, 574493)]