2089969054640

素因数分解:

$2^4\times 5^1\times {\mathrm{136463}}^1\times {\mathrm{191441}}^1$

素因数の和:327917

約数の個数: 40

約数和(自身を含む): 4859239042368

約数和(自身を除く): 2769269987728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 136463, 191441, 272926, 382882, 545852, 682315, 765764, 957205, 1091704, 1364630, 1531528, 1914410, 2183408, 2729260, 3063056, 3828820, 5458520, 7657640, 10917040, 15315280, 26124613183, 52249226366, 104498452732, 130623065915, 208996905464, 261246131830, 417993810928, 522492263660, 1044984527320, 2089969054640]

約数ペア:

[(1, 2089969054640), (2, 1044984527320), (4, 522492263660), (5, 417993810928), (8, 261246131830), (10, 208996905464), (16, 130623065915), (20, 104498452732), (40, 52249226366), (80, 26124613183), (136463, 15315280), (191441, 10917040), (272926, 7657640), (382882, 5458520), (545852, 3828820), (682315, 3063056), (765764, 2729260), (957205, 2183408), (1091704, 1914410), (1364630, 1531528)]