2541680

素因数分解:

$2^4\times 5^1\times {\mathrm{31771}}^1$

素因数の和:31784

約数の個数: 20

約数和(自身を含む): 5909592

約数和(自身を除く): 3367912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31771, 63542, 127084, 158855, 254168, 317710, 508336, 635420, 1270840, 2541680]

約数ペア:

[(1, 2541680), (2, 1270840), (4, 635420), (5, 508336), (8, 317710), (10, 254168), (16, 158855), (20, 127084), (40, 63542), (80, 31771)]