80945396

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2244

約数の個数: 48

約数和(自身を含む): 172892160

約数和(自身を除く): 91946764

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 532, 994, 1349, 1988, 2143, 2698, 4286, 5396, 8572, 9443, 15001, 18886, 30002, 37772, 40717, 60004, 81434, 152153, 162868, 285019, 304306, 570038, 608612, 1065071, 1140076, 2130142, 2890907, 4260284, 5781814, 11563628, 20236349, 40472698, 80945396]

約数ペア:

[(1, 80945396), (2, 40472698), (4, 20236349), (7, 11563628), (14, 5781814), (19, 4260284), (28, 2890907), (38, 2130142), (71, 1140076), (76, 1065071), (133, 608612), (142, 570038), (266, 304306), (284, 285019), (497, 162868), (532, 152153), (994, 81434), (1349, 60004), (1988, 40717), (2143, 37772), (2698, 30002), (4286, 18886), (5396, 15001), (8572, 9443)]