161992520

素因数分解:

$2^3\times 5^1\times {\mathrm{4049813}}^1$

素因数の和:4049824

約数の個数: 16

約数和(自身を含む): 364483260

約数和(自身を除く): 202490740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4049813, 8099626, 16199252, 20249065, 32398504, 40498130, 80996260, 161992520]

約数ペア:

[(1, 161992520), (2, 80996260), (4, 40498130), (5, 32398504), (8, 20249065), (10, 16199252), (20, 8099626), (40, 4049813)]