170921260

素因数分解:

$2^2\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{6661}}^1$

素因数の和:7953

約数の個数: 24

約数和(自身を含む): 359268336

約数和(自身を除く): 188347076

約数列:

[1, 2, 4, 5, 10, 20, 1283, 2566, 5132, 6415, 6661, 12830, 13322, 25660, 26644, 33305, 66610, 133220, 8546063, 17092126, 34184252, 42730315, 85460630, 170921260]

約数ペア:

[(1, 170921260), (2, 85460630), (4, 42730315), (5, 34184252), (10, 17092126), (20, 8546063), (1283, 133220), (2566, 66610), (5132, 33305), (6415, 26644), (6661, 25660), (12830, 13322)]