865856620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{81839}}^1$

素因数の和:81894

約数の個数: 36

約数和(自身を含む): 1900815840

約数和(自身を除く): 1034959220

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 5290, 10580, 81839, 163678, 327356, 409195, 818390, 1636780, 1882297, 3764594, 7529188, 9411485, 18822970, 37645940, 43292831, 86585662, 173171324, 216464155, 432928310, 865856620]

約数ペア:

[(1, 865856620), (2, 432928310), (4, 216464155), (5, 173171324), (10, 86585662), (20, 43292831), (23, 37645940), (46, 18822970), (92, 9411485), (115, 7529188), (230, 3764594), (460, 1882297), (529, 1636780), (1058, 818390), (2116, 409195), (2645, 327356), (5290, 163678), (10580, 81839)]