205670

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 16

約数和(自身を含む): 375408

約数和(自身を除く): 169738

約数列:

[1, 2, 5, 10, 131, 157, 262, 314, 655, 785, 1310, 1570, 20567, 41134, 102835, 205670]

約数ペア:

[(1, 205670), (2, 102835), (5, 41134), (10, 20567), (131, 1570), (157, 1310), (262, 785), (314, 655)]