81755230

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199403}}^1$

素因数の和:199451

約数の個数: 16

約数和(自身を含む): 150749424

約数和(自身を除く): 68994194

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 199403, 398806, 997015, 1994030, 8175523, 16351046, 40877615, 81755230]

約数ペア:

[(1, 81755230), (2, 40877615), (5, 16351046), (10, 8175523), (41, 1994030), (82, 997015), (205, 398806), (410, 199403)]