19623040

素因数分解:

$2^7\times 5^1\times {\mathrm{30661}}^1$

素因数の和:30680

約数の個数: 32

約数和(自身を含む): 46912860

約数和(自身を除く): 27289820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30661, 61322, 122644, 153305, 245288, 306610, 490576, 613220, 981152, 1226440, 1962304, 2452880, 3924608, 4905760, 9811520, 19623040]

約数ペア:

[(1, 19623040), (2, 9811520), (4, 4905760), (5, 3924608), (8, 2452880), (10, 1962304), (16, 1226440), (20, 981152), (32, 613220), (40, 490576), (64, 306610), (80, 245288), (128, 153305), (160, 122644), (320, 61322), (640, 30661)]