2040474440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2217907}}^1$

素因数の和:2217941

約数の個数: 32

約数和(自身を含む): 4790681280

約数和(自身を除く): 2750206840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2217907, 4435814, 8871628, 11089535, 17743256, 22179070, 44358140, 51011861, 88716280, 102023722, 204047444, 255059305, 408094888, 510118610, 1020237220, 2040474440]

約数ペア:

[(1, 2040474440), (2, 1020237220), (4, 510118610), (5, 408094888), (8, 255059305), (10, 204047444), (20, 102023722), (23, 88716280), (40, 51011861), (46, 44358140), (92, 22179070), (115, 17743256), (184, 11089535), (230, 8871628), (460, 4435814), (920, 2217907)]