51376840

素因数分解:

$2^3\times 5^1\times {\mathrm{1284421}}^1$

素因数の和:1284432

約数の個数: 16

約数和(自身を含む): 115597980

約数和(自身を除く): 64221140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1284421, 2568842, 5137684, 6422105, 10275368, 12844210, 25688420, 51376840]

約数ペア:

[(1, 51376840), (2, 25688420), (4, 12844210), (5, 10275368), (8, 6422105), (10, 5137684), (20, 2568842), (40, 1284421)]