166200520

素因数分解:

$2^3\times 5^1\times {\mathrm{4155013}}^1$

素因数の和:4155024

約数の個数: 16

約数和(自身を含む): 373951260

約数和(自身を除く): 207750740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4155013, 8310026, 16620052, 20775065, 33240104, 41550130, 83100260, 166200520]

約数ペア:

[(1, 166200520), (2, 83100260), (4, 41550130), (5, 33240104), (8, 20775065), (10, 16620052), (20, 8310026), (40, 4155013)]