171091640

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{17041}}^1$

素因数の和:17303

約数の個数: 32

約数和(自身を含む): 386512560

約数和(自身を除く): 215420920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 17041, 34082, 68164, 85205, 136328, 170410, 340820, 681640, 4277291, 8554582, 17109164, 21386455, 34218328, 42772910, 85545820, 171091640]

約数ペア:

[(1, 171091640), (2, 85545820), (4, 42772910), (5, 34218328), (8, 21386455), (10, 17109164), (20, 8554582), (40, 4277291), (251, 681640), (502, 340820), (1004, 170410), (1255, 136328), (2008, 85205), (2510, 68164), (5020, 34082), (10040, 17041)]