165564820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{65183}}^1$

素因数の和:65319

約数の個数: 24

約数和(自身を含む): 350429184

約数和(自身を除く): 184864364

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 65183, 130366, 260732, 325915, 651830, 1303660, 8278241, 16556482, 33112964, 41391205, 82782410, 165564820]

約数ペア:

[(1, 165564820), (2, 82782410), (4, 41391205), (5, 33112964), (10, 16556482), (20, 8278241), (127, 1303660), (254, 651830), (508, 325915), (635, 260732), (1270, 130366), (2540, 65183)]