161567270

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{39503}}^1$

素因数の和:39919

約数の個数: 16

約数和(自身を含む): 291539520

約数和(自身を除く): 129972250

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 39503, 79006, 197515, 395030, 16156727, 32313454, 80783635, 161567270]

約数ペア:

[(1, 161567270), (2, 80783635), (5, 32313454), (10, 16156727), (409, 395030), (818, 197515), (2045, 79006), (4090, 39503)]