55488280

素因数分解:

$2^3\times 5^1\times {\mathrm{1387207}}^1$

素因数の和:1387218

約数の個数: 16

約数和(自身を含む): 124848720

約数和(自身を除く): 69360440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1387207, 2774414, 5548828, 6936035, 11097656, 13872070, 27744140, 55488280]

約数ペア:

[(1, 55488280), (2, 27744140), (4, 13872070), (5, 11097656), (8, 6936035), (10, 5548828), (20, 2774414), (40, 1387207)]