4400720

素因数分解:

$2^4\times 5^1\times {\mathrm{55009}}^1$

素因数の和:55022

約数の個数: 20

約数和(自身を含む): 10231860

約数和(自身を除く): 5831140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 55009, 110018, 220036, 275045, 440072, 550090, 880144, 1100180, 2200360, 4400720]

約数ペア:

[(1, 4400720), (2, 2200360), (4, 1100180), (5, 880144), (8, 550090), (10, 440072), (16, 275045), (20, 220036), (40, 110018), (80, 55009)]