66499280

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{2837}}^1$

素因数の和:3143

約数の個数: 40

約数和(自身を含む): 155193192

約数和(自身を除く): 88693912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 1172, 1465, 2344, 2837, 2930, 4688, 5674, 5860, 11348, 11720, 14185, 22696, 23440, 28370, 45392, 56740, 113480, 226960, 831241, 1662482, 3324964, 4156205, 6649928, 8312410, 13299856, 16624820, 33249640, 66499280]

約数ペア:

[(1, 66499280), (2, 33249640), (4, 16624820), (5, 13299856), (8, 8312410), (10, 6649928), (16, 4156205), (20, 3324964), (40, 1662482), (80, 831241), (293, 226960), (586, 113480), (1172, 56740), (1465, 45392), (2344, 28370), (2837, 23440), (2930, 22696), (4688, 14185), (5674, 11720), (5860, 11348)]