2560744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 5356800

約数和(自身を除く): 2796056

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 991, 1292, 1982, 2584, 3964, 7928, 16847, 18829, 33694, 37658, 67388, 75316, 134776, 150632, 320093, 640186, 1280372, 2560744]

約数ペア:

[(1, 2560744), (2, 1280372), (4, 640186), (8, 320093), (17, 150632), (19, 134776), (34, 75316), (38, 67388), (68, 37658), (76, 33694), (136, 18829), (152, 16847), (323, 7928), (646, 3964), (991, 2584), (1292, 1982)]