66465760

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{853}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 157532256

約数和(自身を除く): 91066496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 853, 974, 1706, 1948, 2435, 3412, 3896, 4265, 4870, 6824, 7792, 8530, 9740, 13648, 15584, 17060, 19480, 27296, 34120, 38960, 68240, 77920, 136480, 415411, 830822, 1661644, 2077055, 3323288, 4154110, 6646576, 8308220, 13293152, 16616440, 33232880, 66465760]

約数ペア:

[(1, 66465760), (2, 33232880), (4, 16616440), (5, 13293152), (8, 8308220), (10, 6646576), (16, 4154110), (20, 3323288), (32, 2077055), (40, 1661644), (80, 830822), (160, 415411), (487, 136480), (853, 77920), (974, 68240), (1706, 38960), (1948, 34120), (2435, 27296), (3412, 19480), (3896, 17060), (4265, 15584), (4870, 13648), (6824, 9740), (7792, 8530)]