8421220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18307}}^1$

素因数の和:18339

約数の個数: 24

約数和(自身を含む): 18454464

約数和(自身を除く): 10033244

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 18307, 36614, 73228, 91535, 183070, 366140, 421061, 842122, 1684244, 2105305, 4210610, 8421220]

約数ペア:

[(1, 8421220), (2, 4210610), (4, 2105305), (5, 1684244), (10, 842122), (20, 421061), (23, 366140), (46, 183070), (92, 91535), (115, 73228), (230, 36614), (460, 18307)]