55207720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12899}}^1$

素因数の和:13017

約数の個数: 32

約数和(自身を含む): 125388000

約数和(自身を除く): 70180280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 12899, 25798, 51596, 64495, 103192, 128990, 257980, 515960, 1380193, 2760386, 5520772, 6900965, 11041544, 13801930, 27603860, 55207720]

約数ペア:

[(1, 55207720), (2, 27603860), (4, 13801930), (5, 11041544), (8, 6900965), (10, 5520772), (20, 2760386), (40, 1380193), (107, 515960), (214, 257980), (428, 128990), (535, 103192), (856, 64495), (1070, 51596), (2140, 25798), (4280, 12899)]