55256360

素因数分解:

$2^3\times 5^1\times {\mathrm{1381409}}^1$

素因数の和:1381420

約数の個数: 16

約数和(自身を含む): 124326900

約数和(自身を除く): 69070540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381409, 2762818, 5525636, 6907045, 11051272, 13814090, 27628180, 55256360]

約数ペア:

[(1, 55256360), (2, 27628180), (4, 13814090), (5, 11051272), (8, 6907045), (10, 5525636), (20, 2762818), (40, 1381409)]