66743680

素因数分解:

$2^7\times 5^1\times {\mathrm{104287}}^1$

素因数の和:104306

約数の個数: 32

約数和(自身を含む): 159560640

約数和(自身を除く): 92816960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 104287, 208574, 417148, 521435, 834296, 1042870, 1668592, 2085740, 3337184, 4171480, 6674368, 8342960, 13348736, 16685920, 33371840, 66743680]

約数ペア:

[(1, 66743680), (2, 33371840), (4, 16685920), (5, 13348736), (8, 8342960), (10, 6674368), (16, 4171480), (20, 3337184), (32, 2085740), (40, 1668592), (64, 1042870), (80, 834296), (128, 521435), (160, 417148), (320, 208574), (640, 104287)]