808600000

素因数分解:

$2^6\times 5^5\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:361

約数の個数: 168

約数和(自身を含む): 2166798816

約数和(自身を除く): 1358198816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 311, 320, 325, 400, 416, 500, 520, 622, 625, 650, 800, 832, 1000, 1040, 1244, 1250, 1300, 1555, 1600, 1625, 2000, 2080, 2488, 2500, 2600, 3110, 3125, 3250, 4000, 4043, 4160, 4976, 5000, 5200, 6220, 6250, 6500, 7775, 8000, 8086, 8125, 9952, 10000, 10400, 12440, 12500, 13000, 15550, 16172, 16250, 19904, 20000, 20215, 20800, 24880, 25000, 26000, 31100, 32344, 32500, 38875, 40000, 40430, 40625, 49760, 50000, 52000, 62200, 64688, 65000, 77750, 80860, 81250, 99520, 100000, 101075, 104000, 124400, 129376, 130000, 155500, 161720, 162500, 194375, 200000, 202150, 248800, 258752, 260000, 311000, 323440, 325000, 388750, 404300, 497600, 505375, 520000, 622000, 646880, 650000, 777500, 808600, 971875, 1010750, 1244000, 1293760, 1300000, 1555000, 1617200, 1943750, 2021500, 2488000, 2526875, 2600000, 3110000, 3234400, 3887500, 4043000, 5053750, 6220000, 6468800, 7775000, 8086000, 10107500, 12440000, 12634375, 15550000, 16172000, 20215000, 25268750, 31100000, 32344000, 40430000, 50537500, 62200000, 80860000, 101075000, 161720000, 202150000, 404300000, 808600000]

約数ペア:

[(1, 808600000), (2, 404300000), (4, 202150000), (5, 161720000), (8, 101075000), (10, 80860000), (13, 62200000), (16, 50537500), (20, 40430000), (25, 32344000), (26, 31100000), (32, 25268750), (40, 20215000), (50, 16172000), (52, 15550000), (64, 12634375), (65, 12440000), (80, 10107500), (100, 8086000), (104, 7775000), (125, 6468800), (130, 6220000), (160, 5053750), (200, 4043000), (208, 3887500), (250, 3234400), (260, 3110000), (311, 2600000), (320, 2526875), (325, 2488000), (400, 2021500), (416, 1943750), (500, 1617200), (520, 1555000), (622, 1300000), (625, 1293760), (650, 1244000), (800, 1010750), (832, 971875), (1000, 808600), (1040, 777500), (1244, 650000), (1250, 646880), (1300, 622000), (1555, 520000), (1600, 505375), (1625, 497600), (2000, 404300), (2080, 388750), (2488, 325000), (2500, 323440), (2600, 311000), (3110, 260000), (3125, 258752), (3250, 248800), (4000, 202150), (4043, 200000), (4160, 194375), (4976, 162500), (5000, 161720), (5200, 155500), (6220, 130000), (6250, 129376), (6500, 124400), (7775, 104000), (8000, 101075), (8086, 100000), (8125, 99520), (9952, 81250), (10000, 80860), (10400, 77750), (12440, 65000), (12500, 64688), (13000, 62200), (15550, 52000), (16172, 50000), (16250, 49760), (19904, 40625), (20000, 40430), (20215, 40000), (20800, 38875), (24880, 32500), (25000, 32344), (26000, 31100)]