28611335380

素因数分解:

$2^2\times 5^1\times {\mathrm{18133}}^1\times {\mathrm{78893}}^1$

素因数の和:97035

約数の個数: 24

約数和(自身を含む): 60087879432

約数和(自身を除く): 31476544052

約数列:

[1, 2, 4, 5, 10, 20, 18133, 36266, 72532, 78893, 90665, 157786, 181330, 315572, 362660, 394465, 788930, 1577860, 1430566769, 2861133538, 5722267076, 7152833845, 14305667690, 28611335380]

約数ペア:

[(1, 28611335380), (2, 14305667690), (4, 7152833845), (5, 5722267076), (10, 2861133538), (20, 1430566769), (18133, 1577860), (36266, 788930), (72532, 394465), (78893, 362660), (90665, 315572), (157786, 181330)]