82392880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1289}}^1$

素因数の和:1366

約数の個数: 80

約数和(自身を含む): 207308160

約数和(自身を除く): 124915280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1289, 1360, 1598, 1880, 2578, 3196, 3760, 3995, 5156, 6392, 6445, 7990, 10312, 12784, 12890, 15980, 20624, 21913, 25780, 31960, 43826, 51560, 60583, 63920, 87652, 103120, 109565, 121166, 175304, 219130, 242332, 302915, 350608, 438260, 484664, 605830, 876520, 969328, 1029911, 1211660, 1753040, 2059822, 2423320, 4119644, 4846640, 5149555, 8239288, 10299110, 16478576, 20598220, 41196440, 82392880]

約数ペア:

[(1, 82392880), (2, 41196440), (4, 20598220), (5, 16478576), (8, 10299110), (10, 8239288), (16, 5149555), (17, 4846640), (20, 4119644), (34, 2423320), (40, 2059822), (47, 1753040), (68, 1211660), (80, 1029911), (85, 969328), (94, 876520), (136, 605830), (170, 484664), (188, 438260), (235, 350608), (272, 302915), (340, 242332), (376, 219130), (470, 175304), (680, 121166), (752, 109565), (799, 103120), (940, 87652), (1289, 63920), (1360, 60583), (1598, 51560), (1880, 43826), (2578, 31960), (3196, 25780), (3760, 21913), (3995, 20624), (5156, 15980), (6392, 12890), (6445, 12784), (7990, 10312)]