2605.000000

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{5233}}^1$

素因数の和:5252

約数の個数: 20

約数和(自身を含む): 1947048

約数和(自身を除く): 1026040

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 5233, 10466, 20932, 41864, 57563, 83728, 115126, 230252, 460504, 921008]

約数ペア:

[(1, 921008), (2, 460504), (4, 230252), (8, 115126), (11, 83728), (16, 57563), (22, 41864), (44, 20932), (88, 10466), (176, 5233)]