16911280

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1543}}^1$

素因数の和:1693

約数の個数: 40

約数和(自身を含む): 39631392

約数和(自身を除く): 22720112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 1543, 2192, 2740, 3086, 5480, 6172, 7715, 10960, 12344, 15430, 24688, 30860, 61720, 123440, 211391, 422782, 845564, 1056955, 1691128, 2113910, 3382256, 4227820, 8455640, 16911280]

約数ペア:

[(1, 16911280), (2, 8455640), (4, 4227820), (5, 3382256), (8, 2113910), (10, 1691128), (16, 1056955), (20, 845564), (40, 422782), (80, 211391), (137, 123440), (274, 61720), (548, 30860), (685, 24688), (1096, 15430), (1370, 12344), (1543, 10960), (2192, 7715), (2740, 6172), (3086, 5480)]