8888420

素因数分解:

$2^2\times 5^1\times {\mathrm{444421}}^1$

素因数の和:444430

約数の個数: 12

約数和(自身を含む): 18665724

約数和(自身を除く): 9777304

約数列:

[1, 2, 4, 5, 10, 20, 444421, 888842, 1777684, 2222105, 4444210, 8888420]

約数ペア:

[(1, 8888420), (2, 4444210), (4, 2222105), (5, 1777684), (10, 888842), (20, 444421)]