165212360

素因数分解:

$2^3\times 5^1\times {\mathrm{4130309}}^1$

素因数の和:4130320

約数の個数: 16

約数和(自身を含む): 371727900

約数和(自身を除く): 206515540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4130309, 8260618, 16521236, 20651545, 33042472, 41303090, 82606180, 165212360]

約数ペア:

[(1, 165212360), (2, 82606180), (4, 41303090), (5, 33042472), (8, 20651545), (10, 16521236), (20, 8260618), (40, 4130309)]