80493728

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18913}}^1$

素因数の和:18949

約数の個数: 48

約数和(自身を含む): 190653120

約数和(自身を除く): 110159392

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 18913, 37826, 75652, 132391, 151304, 264782, 302608, 359347, 529564, 605216, 718694, 1059128, 1437388, 2118256, 2515429, 2874776, 4236512, 5030858, 5749552, 10061716, 11499104, 20123432, 40246864, 80493728]

約数ペア:

[(1, 80493728), (2, 40246864), (4, 20123432), (7, 11499104), (8, 10061716), (14, 5749552), (16, 5030858), (19, 4236512), (28, 2874776), (32, 2515429), (38, 2118256), (56, 1437388), (76, 1059128), (112, 718694), (133, 605216), (152, 529564), (224, 359347), (266, 302608), (304, 264782), (532, 151304), (608, 132391), (1064, 75652), (2128, 37826), (4256, 18913)]