55759280

素因数分解:

$2^4\times 5^1\times {\mathrm{696991}}^1$

素因数の和:697004

約数の個数: 20

約数和(自身を含む): 129640512

約数和(自身を除く): 73881232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 696991, 1393982, 2787964, 3484955, 5575928, 6969910, 11151856, 13939820, 27879640, 55759280]

約数ペア:

[(1, 55759280), (2, 27879640), (4, 13939820), (5, 11151856), (8, 6969910), (10, 5575928), (16, 3484955), (20, 2787964), (40, 1393982), (80, 696991)]