78492160

素因数分解:

$2^9\times 5^1\times {\mathrm{30661}}^1$

素因数の和:30684

約数の個数: 40

約数和(自身を含む): 188203356

約数和(自身を除く): 109711196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 30661, 61322, 122644, 153305, 245288, 306610, 490576, 613220, 981152, 1226440, 1962304, 2452880, 3924608, 4905760, 7849216, 9811520, 15698432, 19623040, 39246080, 78492160]

約数ペア:

[(1, 78492160), (2, 39246080), (4, 19623040), (5, 15698432), (8, 9811520), (10, 7849216), (16, 4905760), (20, 3924608), (32, 2452880), (40, 1962304), (64, 1226440), (80, 981152), (128, 613220), (160, 490576), (256, 306610), (320, 245288), (512, 153305), (640, 122644), (1280, 61322), (2560, 30661)]