131419600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 120

約数和(自身を含む): 344422400

約数和(自身を除く): 213002800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 127, 130, 199, 200, 208, 254, 260, 325, 398, 400, 508, 520, 635, 650, 796, 995, 1016, 1040, 1270, 1300, 1592, 1651, 1990, 2032, 2540, 2587, 2600, 3175, 3184, 3302, 3980, 4975, 5080, 5174, 5200, 6350, 6604, 7960, 8255, 9950, 10160, 10348, 12700, 12935, 13208, 15920, 16510, 19900, 20696, 25273, 25400, 25870, 26416, 33020, 39800, 41275, 41392, 50546, 50800, 51740, 64675, 66040, 79600, 82550, 101092, 103480, 126365, 129350, 132080, 165100, 202184, 206960, 252730, 258700, 328549, 330200, 404368, 505460, 517400, 631825, 657098, 660400, 1010920, 1034800, 1263650, 1314196, 1642745, 2021840, 2527300, 2628392, 3285490, 5054600, 5256784, 6570980, 8213725, 10109200, 13141960, 16427450, 26283920, 32854900, 65709800, 131419600]

約数ペア:

[(1, 131419600), (2, 65709800), (4, 32854900), (5, 26283920), (8, 16427450), (10, 13141960), (13, 10109200), (16, 8213725), (20, 6570980), (25, 5256784), (26, 5054600), (40, 3285490), (50, 2628392), (52, 2527300), (65, 2021840), (80, 1642745), (100, 1314196), (104, 1263650), (127, 1034800), (130, 1010920), (199, 660400), (200, 657098), (208, 631825), (254, 517400), (260, 505460), (325, 404368), (398, 330200), (400, 328549), (508, 258700), (520, 252730), (635, 206960), (650, 202184), (796, 165100), (995, 132080), (1016, 129350), (1040, 126365), (1270, 103480), (1300, 101092), (1592, 82550), (1651, 79600), (1990, 66040), (2032, 64675), (2540, 51740), (2587, 50800), (2600, 50546), (3175, 41392), (3184, 41275), (3302, 39800), (3980, 33020), (4975, 26416), (5080, 25870), (5174, 25400), (5200, 25273), (6350, 20696), (6604, 19900), (7960, 16510), (8255, 15920), (9950, 13208), (10160, 12935), (10348, 12700)]