28867420

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4283}}^1$

素因数の和:4629

約数の個数: 24

約数和(自身を含む): 60815664

約数和(自身を除く): 31948244

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 3370, 4283, 6740, 8566, 17132, 21415, 42830, 85660, 1443371, 2886742, 5773484, 7216855, 14433710, 28867420]

約数ペア:

[(1, 28867420), (2, 14433710), (4, 7216855), (5, 5773484), (10, 2886742), (20, 1443371), (337, 85660), (674, 42830), (1348, 21415), (1685, 17132), (3370, 8566), (4283, 6740)]