179636920

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{4273}}^1$

素因数の和:5335

約数の個数: 32

約数和(自身を含む): 404662320

約数和(自身を除く): 225025400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 2102, 4204, 4273, 5255, 8408, 8546, 10510, 17092, 21020, 21365, 34184, 42040, 42730, 85460, 170920, 4490923, 8981846, 17963692, 22454615, 35927384, 44909230, 89818460, 179636920]

約数ペア:

[(1, 179636920), (2, 89818460), (4, 44909230), (5, 35927384), (8, 22454615), (10, 17963692), (20, 8981846), (40, 4490923), (1051, 170920), (2102, 85460), (4204, 42730), (4273, 42040), (5255, 34184), (8408, 21365), (8546, 21020), (10510, 17092)]