82520720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1368

約数の個数: 80

約数和(自身を含む): 207629568

約数和(自身を除く): 125108848

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, 1291, 1360, 1598, 1880, 2582, 3196, 3760, 3995, 5164, 6392, 6455, 7990, 10328, 12784, 12910, 15980, 20656, 21947, 25820, 31960, 43894, 51640, 60677, 63920, 87788, 103280, 109735, 121354, 175576, 219470, 242708, 303385, 351152, 438940, 485416, 606770, 877880, 970832, 1031509, 1213540, 1755760, 2063018, 2427080, 4126036, 4854160, 5157545, 8252072, 10315090, 16504144, 20630180, 41260360, 82520720]

約数ペア:

[(1, 82520720), (2, 41260360), (4, 20630180), (5, 16504144), (8, 10315090), (10, 8252072), (16, 5157545), (17, 4854160), (20, 4126036), (34, 2427080), (40, 2063018), (47, 1755760), (68, 1213540), (80, 1031509), (85, 970832), (94, 877880), (136, 606770), (170, 485416), (188, 438940), (235, 351152), (272, 303385), (340, 242708), (376, 219470), (470, 175576), (680, 121354), (752, 109735), (799, 103280), (940, 87788), (1291, 63920), (1360, 60677), (1598, 51640), (1880, 43894), (2582, 31960), (3196, 25820), (3760, 21947), (3995, 20656), (5164, 15980), (6392, 12910), (6455, 12784), (7990, 10328)]