8455640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1543}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 19176480

約数和(自身を除く): 10720840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 1543, 2740, 3086, 5480, 6172, 7715, 12344, 15430, 30860, 61720, 211391, 422782, 845564, 1056955, 1691128, 2113910, 4227820, 8455640]

約数ペア:

[(1, 8455640), (2, 4227820), (4, 2113910), (5, 1691128), (8, 1056955), (10, 845564), (20, 422782), (40, 211391), (137, 61720), (274, 30860), (548, 15430), (685, 12344), (1096, 7715), (1370, 6172), (1543, 5480), (2740, 3086)]