80204795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 119439360

約数和(自身を除く): 39234565

約数列:

[1, 5, 11, 19, 23, 47, 55, 71, 95, 115, 209, 235, 253, 355, 437, 517, 781, 893, 1045, 1081, 1265, 1349, 1633, 2185, 2585, 3337, 3905, 4465, 4807, 5405, 6745, 8165, 9823, 11891, 14839, 16685, 17963, 20539, 24035, 31027, 36707, 49115, 59455, 63403, 74195, 76751, 89815, 102695, 155135, 183535, 225929, 317015, 341297, 383755, 697433, 844261, 1129645, 1458269, 1706485, 3487165, 4221305, 7291345, 16040959, 80204795]

約数ペア:

[(1, 80204795), (5, 16040959), (11, 7291345), (19, 4221305), (23, 3487165), (47, 1706485), (55, 1458269), (71, 1129645), (95, 844261), (115, 697433), (209, 383755), (235, 341297), (253, 317015), (355, 225929), (437, 183535), (517, 155135), (781, 102695), (893, 89815), (1045, 76751), (1081, 74195), (1265, 63403), (1349, 59455), (1633, 49115), (2185, 36707), (2585, 31027), (3337, 24035), (3905, 20539), (4465, 17963), (4807, 16685), (5405, 14839), (6745, 11891), (8165, 9823)]