81138422800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{109469}}^1$

素因数の和:109613

約数の個数: 120

約数和(自身を含む): 208297326600

約数和(自身を除く): 127158903800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 109, 136, 170, 200, 218, 272, 340, 400, 425, 436, 545, 680, 850, 872, 1090, 1360, 1700, 1744, 1853, 2180, 2725, 3400, 3706, 4360, 5450, 6800, 7412, 8720, 9265, 10900, 14824, 18530, 21800, 29648, 37060, 43600, 46325, 74120, 92650, 109469, 148240, 185300, 218938, 370600, 437876, 547345, 741200, 875752, 1094690, 1751504, 1860973, 2189380, 2736725, 3721946, 4378760, 5473450, 7443892, 8757520, 9304865, 10946900, 11932121, 14887784, 18609730, 21893800, 23864242, 29775568, 37219460, 43787600, 46524325, 47728484, 59660605, 74438920, 93048650, 95456968, 119321210, 148877840, 186097300, 190913936, 202846057, 238642420, 298303025, 372194600, 405692114, 477284840, 596606050, 744389200, 811384228, 954569680, 1014230285, 1193212100, 1622768456, 2028460570, 2386424200, 3245536912, 4056921140, 4772848400, 5071151425, 8113842280, 10142302850, 16227684560, 20284605700, 40569211400, 81138422800]

約数ペア:

[(1, 81138422800), (2, 40569211400), (4, 20284605700), (5, 16227684560), (8, 10142302850), (10, 8113842280), (16, 5071151425), (17, 4772848400), (20, 4056921140), (25, 3245536912), (34, 2386424200), (40, 2028460570), (50, 1622768456), (68, 1193212100), (80, 1014230285), (85, 954569680), (100, 811384228), (109, 744389200), (136, 596606050), (170, 477284840), (200, 405692114), (218, 372194600), (272, 298303025), (340, 238642420), (400, 202846057), (425, 190913936), (436, 186097300), (545, 148877840), (680, 119321210), (850, 95456968), (872, 93048650), (1090, 74438920), (1360, 59660605), (1700, 47728484), (1744, 46524325), (1853, 43787600), (2180, 37219460), (2725, 29775568), (3400, 23864242), (3706, 21893800), (4360, 18609730), (5450, 14887784), (6800, 11932121), (7412, 10946900), (8720, 9304865), (9265, 8757520), (10900, 7443892), (14824, 5473450), (18530, 4378760), (21800, 3721946), (29648, 2736725), (37060, 2189380), (43600, 1860973), (46325, 1751504), (74120, 1094690), (92650, 875752), (109469, 741200), (148240, 547345), (185300, 437876), (218938, 370600)]