85075090

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{19739}}^1$

素因数の和:20177

約数の個数: 16

約数和(自身を含む): 153498240

約数和(自身を除く): 68423150

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 19739, 39478, 98695, 197390, 8507509, 17015018, 42537545, 85075090]

約数ペア:

[(1, 85075090), (2, 42537545), (5, 17015018), (10, 8507509), (431, 197390), (862, 98695), (2155, 39478), (4310, 19739)]