2561648

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{6961}}^1$

素因数の和:6992

約数の個数: 20

約数和(自身を含む): 5179728

約数和(自身を除く): 2618080

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 6961, 13922, 27844, 55688, 111376, 160103, 320206, 640412, 1280824, 2561648]

約数ペア:

[(1, 2561648), (2, 1280824), (4, 640412), (8, 320206), (16, 160103), (23, 111376), (46, 55688), (92, 27844), (184, 13922), (368, 6961)]