2008100140

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{228713}}^1$

素因数の和:229161

約数の個数: 24

約数和(自身を含む): 4226634720

約数和(自身を除く): 2218534580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 228713, 457426, 914852, 1143565, 2287130, 4574260, 100405007, 200810014, 401620028, 502025035, 1004050070, 2008100140]

約数ペア:

[(1, 2008100140), (2, 1004050070), (4, 502025035), (5, 401620028), (10, 200810014), (20, 100405007), (439, 4574260), (878, 2287130), (1756, 1143565), (2195, 914852), (4390, 457426), (8780, 228713)]