25776905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 16026871

約数列:

[1, 5, 7, 11, 23, 35, 41, 55, 71, 77, 115, 161, 205, 253, 287, 355, 385, 451, 497, 781, 805, 943, 1265, 1435, 1633, 1771, 2255, 2485, 2911, 3157, 3905, 4715, 5467, 6601, 8165, 8855, 10373, 11431, 14555, 15785, 17963, 20377, 27335, 32021, 33005, 51865, 57155, 66953, 72611, 89815, 101885, 125741, 160105, 224147, 334765, 363055, 468671, 628705, 736483, 1120735, 2343355, 3682415, 5155381, 25776905]

約数ペア:

[(1, 25776905), (5, 5155381), (7, 3682415), (11, 2343355), (23, 1120735), (35, 736483), (41, 628705), (55, 468671), (71, 363055), (77, 334765), (115, 224147), (161, 160105), (205, 125741), (253, 101885), (287, 89815), (355, 72611), (385, 66953), (451, 57155), (497, 51865), (781, 33005), (805, 32021), (943, 27335), (1265, 20377), (1435, 17963), (1633, 15785), (1771, 14555), (2255, 11431), (2485, 10373), (2911, 8855), (3157, 8165), (3905, 6601), (4715, 5467)]