2001227720

素因数分解:

$2^3\times 5^1\times {\mathrm{50030693}}^1$

素因数の和:50030704

約数の個数: 16

約数和(自身を含む): 4502762460

約数和(自身を除く): 2501534740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50030693, 100061386, 200122772, 250153465, 400245544, 500306930, 1000613860, 2001227720]

約数ペア:

[(1, 2001227720), (2, 1000613860), (4, 500306930), (5, 400245544), (8, 250153465), (10, 200122772), (20, 100061386), (40, 50030693)]