80972305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 105504768

約数和(自身を除く): 24532463

約数列:

[1, 5, 23, 47, 71, 115, 211, 235, 355, 1055, 1081, 1633, 3337, 4853, 5405, 8165, 9917, 14981, 16685, 24265, 49585, 74905, 76751, 228091, 344563, 383755, 704107, 1140455, 1722815, 3520535, 16194461, 80972305]

約数ペア:

[(1, 80972305), (5, 16194461), (23, 3520535), (47, 1722815), (71, 1140455), (115, 704107), (211, 383755), (235, 344563), (355, 228091), (1055, 76751), (1081, 74905), (1633, 49585), (3337, 24265), (4853, 16685), (5405, 14981), (8165, 9917)]