54291280

素因数分解:

$2^4\times 5^1\times {\mathrm{678641}}^1$

素因数の和:678654

約数の個数: 20

約数和(自身を含む): 126227412

約数和(自身を除く): 71936132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 678641, 1357282, 2714564, 3393205, 5429128, 6786410, 10858256, 13572820, 27145640, 54291280]

約数ペア:

[(1, 54291280), (2, 27145640), (4, 13572820), (5, 10858256), (8, 6786410), (10, 5429128), (16, 3393205), (20, 2714564), (40, 1357282), (80, 678641)]