55238840

素因数分解:

$2^3\times 5^1\times {\mathrm{1380971}}^1$

素因数の和:1380982

約数の個数: 16

約数和(自身を含む): 124287480

約数和(自身を除く): 69048640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1380971, 2761942, 5523884, 6904855, 11047768, 13809710, 27619420, 55238840]

約数ペア:

[(1, 55238840), (2, 27619420), (4, 13809710), (5, 11047768), (8, 6904855), (10, 5523884), (20, 2761942), (40, 1380971)]