171376840

素因数分解:

$2^3\times 5^1\times {\mathrm{4284421}}^1$

素因数の和:4284432

約数の個数: 16

約数和(自身を含む): 385597980

約数和(自身を除く): 214221140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4284421, 8568842, 17137684, 21422105, 34275368, 42844210, 85688420, 171376840]

約数ペア:

[(1, 171376840), (2, 85688420), (4, 42844210), (5, 34275368), (8, 21422105), (10, 17137684), (20, 8568842), (40, 4284421)]