8889004420

素因数分解:

$2^2\times 5^1\times {\mathrm{444450221}}^1$

素因数の和:444450230

約数の個数: 12

約数和(自身を含む): 18666909324

約数和(自身を除く): 9777904904

約数列:

[1, 2, 4, 5, 10, 20, 444450221, 888900442, 1777800884, 2222251105, 4444502210, 8889004420]

約数ペア:

[(1, 8889004420), (2, 4444502210), (4, 2222251105), (5, 1777800884), (10, 888900442), (20, 444450221)]