51951920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 126741888

約数和(自身を除く): 74789968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 188, 205, 235, 328, 337, 376, 410, 470, 656, 674, 752, 820, 940, 1348, 1640, 1685, 1880, 1927, 2696, 3280, 3370, 3760, 3854, 5392, 6740, 7708, 9635, 13480, 13817, 15416, 15839, 19270, 26960, 27634, 30832, 31678, 38540, 55268, 63356, 69085, 77080, 79195, 110536, 126712, 138170, 154160, 158390, 221072, 253424, 276340, 316780, 552680, 633560, 649399, 1105360, 1267120, 1298798, 2597596, 3246995, 5195192, 6493990, 10390384, 12987980, 25975960, 51951920]

約数ペア:

[(1, 51951920), (2, 25975960), (4, 12987980), (5, 10390384), (8, 6493990), (10, 5195192), (16, 3246995), (20, 2597596), (40, 1298798), (41, 1267120), (47, 1105360), (80, 649399), (82, 633560), (94, 552680), (164, 316780), (188, 276340), (205, 253424), (235, 221072), (328, 158390), (337, 154160), (376, 138170), (410, 126712), (470, 110536), (656, 79195), (674, 77080), (752, 69085), (820, 63356), (940, 55268), (1348, 38540), (1640, 31678), (1685, 30832), (1880, 27634), (1927, 26960), (2696, 19270), (3280, 15839), (3370, 15416), (3760, 13817), (3854, 13480), (5392, 9635), (6740, 7708)]