320584016

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{48989}}^1$

素因数の和:49406

約数の個数: 20

約数和(自身を含む): 622662900

約数和(自身を除く): 302078884

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 48989, 97978, 195956, 391912, 783824, 20036501, 40073002, 80146004, 160292008, 320584016]

約数ペア:

[(1, 320584016), (2, 160292008), (4, 80146004), (8, 40073002), (16, 20036501), (409, 783824), (818, 391912), (1636, 195956), (3272, 97978), (6544, 48989)]