171980260

素因数分解:

$2^2\times 5^1\times {\mathrm{8599013}}^1$

素因数の和:8599022

約数の個数: 12

約数和(自身を含む): 361158588

約数和(自身を除く): 189178328

約数列:

[1, 2, 4, 5, 10, 20, 8599013, 17198026, 34396052, 42995065, 85990130, 171980260]

約数ペア:

[(1, 171980260), (2, 85990130), (4, 42995065), (5, 34396052), (10, 17198026), (20, 8599013)]