42128090

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{15661}}^1$

素因数の和:15937

約数の個数: 16

約数和(自身を含む): 76117320

約数和(自身を除く): 33989230

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 15661, 31322, 78305, 156610, 4212809, 8425618, 21064045, 42128090]

約数ペア:

[(1, 42128090), (2, 21064045), (5, 8425618), (10, 4212809), (269, 156610), (538, 78305), (1345, 31322), (2690, 15661)]