11200040

素因数分解:

$2^3\times 5^1\times {\mathrm{280001}}^1$

素因数の和:280012

約数の個数: 16

約数和(自身を含む): 25200180

約数和(自身を除く): 14000140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 280001, 560002, 1120004, 1400005, 2240008, 2800010, 5600020, 11200040]

約数ペア:

[(1, 11200040), (2, 5600020), (4, 2800010), (5, 2240008), (8, 1400005), (10, 1120004), (20, 560002), (40, 280001)]