217647520

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10711}}^1$

素因数の和:10853

約数の個数: 48

約数和(自身を含む): 518289408

約数和(自身を除く): 300641888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 10711, 20320, 21422, 42844, 53555, 85688, 107110, 171376, 214220, 342752, 428440, 856880, 1360297, 1713760, 2720594, 5441188, 6801485, 10882376, 13602970, 21764752, 27205940, 43529504, 54411880, 108823760, 217647520]

約数ペア:

[(1, 217647520), (2, 108823760), (4, 54411880), (5, 43529504), (8, 27205940), (10, 21764752), (16, 13602970), (20, 10882376), (32, 6801485), (40, 5441188), (80, 2720594), (127, 1713760), (160, 1360297), (254, 856880), (508, 428440), (635, 342752), (1016, 214220), (1270, 171376), (2032, 107110), (2540, 85688), (4064, 53555), (5080, 42844), (10160, 21422), (10711, 20320)]