2041940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{193}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 4505844

約数和(自身を除く): 2463904

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 193, 230, 386, 460, 529, 772, 965, 1058, 1930, 2116, 2645, 3860, 4439, 5290, 8878, 10580, 17756, 22195, 44390, 88780, 102097, 204194, 408388, 510485, 1020970, 2041940]

約数ペア:

[(1, 2041940), (2, 1020970), (4, 510485), (5, 408388), (10, 204194), (20, 102097), (23, 88780), (46, 44390), (92, 22195), (115, 17756), (193, 10580), (230, 8878), (386, 5290), (460, 4439), (529, 3860), (772, 2645), (965, 2116), (1058, 1930)]