81482000

素因数分解:

$2^4\times 5^3\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:465

約数の個数: 80

約数和(自身を含む): 199165824

約数和(自身を除く): 117683824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 131, 200, 250, 262, 311, 400, 500, 524, 622, 655, 1000, 1048, 1244, 1310, 1555, 2000, 2096, 2488, 2620, 3110, 3275, 4976, 5240, 6220, 6550, 7775, 10480, 12440, 13100, 15550, 16375, 24880, 26200, 31100, 32750, 38875, 40741, 52400, 62200, 65500, 77750, 81482, 124400, 131000, 155500, 162964, 203705, 262000, 311000, 325928, 407410, 622000, 651856, 814820, 1018525, 1629640, 2037050, 3259280, 4074100, 5092625, 8148200, 10185250, 16296400, 20370500, 40741000, 81482000]

約数ペア:

[(1, 81482000), (2, 40741000), (4, 20370500), (5, 16296400), (8, 10185250), (10, 8148200), (16, 5092625), (20, 4074100), (25, 3259280), (40, 2037050), (50, 1629640), (80, 1018525), (100, 814820), (125, 651856), (131, 622000), (200, 407410), (250, 325928), (262, 311000), (311, 262000), (400, 203705), (500, 162964), (524, 155500), (622, 131000), (655, 124400), (1000, 81482), (1048, 77750), (1244, 65500), (1310, 62200), (1555, 52400), (2000, 40741), (2096, 38875), (2488, 32750), (2620, 31100), (3110, 26200), (3275, 24880), (4976, 16375), (5240, 15550), (6220, 13100), (6550, 12440), (7775, 10480)]