8889020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{63493}}^1$

素因数の和:63509

約数の個数: 24

約数和(自身を含む): 21333984

約数和(自身を除く): 12444964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 63493, 126986, 253972, 317465, 444451, 634930, 888902, 1269860, 1777804, 2222255, 4444510, 8889020]

約数ペア:

[(1, 8889020), (2, 4444510), (4, 2222255), (5, 1777804), (7, 1269860), (10, 888902), (14, 634930), (20, 444451), (28, 317465), (35, 253972), (70, 126986), (140, 63493)]