8001599020

素因数分解:

$2^2\times 5^1\times {\mathrm{400079951}}^1$

素因数の和:400079960

約数の個数: 12

約数和(自身を含む): 16803357984

約数和(自身を除く): 8801758964

約数列:

[1, 2, 4, 5, 10, 20, 400079951, 800159902, 1600319804, 2000399755, 4000799510, 8001599020]

約数ペア:

[(1, 8001599020), (2, 4000799510), (4, 2000399755), (5, 1600319804), (10, 800159902), (20, 400079951)]