17121680

素因数分解:

$2^4\times 5^1\times {\mathrm{214021}}^1$

素因数の和:214034

約数の個数: 20

約数和(自身を含む): 39808092

約数和(自身を除く): 22686412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 214021, 428042, 856084, 1070105, 1712168, 2140210, 3424336, 4280420, 8560840, 17121680]

約数ペア:

[(1, 17121680), (2, 8560840), (4, 4280420), (5, 3424336), (8, 2140210), (10, 1712168), (16, 1070105), (20, 856084), (40, 428042), (80, 214021)]