81647600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12007}}^1$

素因数の和:12042

約数の個数: 60

約数和(自身を含む): 207714384

約数和(自身を除く): 126066784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 12007, 24014, 48028, 60035, 96056, 120070, 192112, 204119, 240140, 300175, 408238, 480280, 600350, 816476, 960560, 1020595, 1200700, 1632952, 2041190, 2401400, 3265904, 4082380, 4802800, 5102975, 8164760, 10205950, 16329520, 20411900, 40823800, 81647600]

約数ペア:

[(1, 81647600), (2, 40823800), (4, 20411900), (5, 16329520), (8, 10205950), (10, 8164760), (16, 5102975), (17, 4802800), (20, 4082380), (25, 3265904), (34, 2401400), (40, 2041190), (50, 1632952), (68, 1200700), (80, 1020595), (85, 960560), (100, 816476), (136, 600350), (170, 480280), (200, 408238), (272, 300175), (340, 240140), (400, 204119), (425, 192112), (680, 120070), (850, 96056), (1360, 60035), (1700, 48028), (3400, 24014), (6800, 12007)]