20550730000

素因数分解:

$2^4\times 5^4\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:699

約数の個数: 200

約数和(自身を含む): 52295760000

約数和(自身を除く): 31745030000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 199, 200, 230, 250, 368, 398, 400, 449, 460, 500, 575, 625, 796, 898, 920, 995, 1000, 1150, 1250, 1592, 1796, 1840, 1990, 2000, 2245, 2300, 2500, 2875, 3184, 3592, 3980, 4490, 4577, 4600, 4975, 5000, 5750, 7184, 7960, 8980, 9154, 9200, 9950, 10000, 10327, 11225, 11500, 14375, 15920, 17960, 18308, 19900, 20654, 22450, 22885, 23000, 24875, 28750, 35920, 36616, 39800, 41308, 44900, 45770, 46000, 49750, 51635, 56125, 57500, 73232, 79600, 82616, 89351, 89800, 91540, 99500, 103270, 112250, 114425, 115000, 124375, 165232, 178702, 179600, 183080, 199000, 206540, 224500, 228850, 230000, 248750, 258175, 280625, 357404, 366160, 398000, 413080, 446755, 449000, 457700, 497500, 516350, 561250, 572125, 714808, 826160, 893510, 898000, 915400, 995000, 1032700, 1122500, 1144250, 1290875, 1429616, 1787020, 1830800, 1990000, 2055073, 2065400, 2233775, 2245000, 2288500, 2581750, 2860625, 3574040, 4110146, 4130800, 4467550, 4490000, 4577000, 5163500, 5721250, 6454375, 7148080, 8220292, 8935100, 9154000, 10275365, 10327000, 11168875, 11442500, 12908750, 16440584, 17870200, 20550730, 20654000, 22337750, 22885000, 25817500, 32881168, 35740400, 41101460, 44675500, 45770000, 51376825, 51635000, 55844375, 82202920, 89351000, 102753650, 103270000, 111688750, 164405840, 178702000, 205507300, 223377500, 256884125, 411014600, 446755000, 513768250, 822029200, 893510000, 1027536500, 1284420625, 2055073000, 2568841250, 4110146000, 5137682500, 10275365000, 20550730000]

約数ペア:

[(1, 20550730000), (2, 10275365000), (4, 5137682500), (5, 4110146000), (8, 2568841250), (10, 2055073000), (16, 1284420625), (20, 1027536500), (23, 893510000), (25, 822029200), (40, 513768250), (46, 446755000), (50, 411014600), (80, 256884125), (92, 223377500), (100, 205507300), (115, 178702000), (125, 164405840), (184, 111688750), (199, 103270000), (200, 102753650), (230, 89351000), (250, 82202920), (368, 55844375), (398, 51635000), (400, 51376825), (449, 45770000), (460, 44675500), (500, 41101460), (575, 35740400), (625, 32881168), (796, 25817500), (898, 22885000), (920, 22337750), (995, 20654000), (1000, 20550730), (1150, 17870200), (1250, 16440584), (1592, 12908750), (1796, 11442500), (1840, 11168875), (1990, 10327000), (2000, 10275365), (2245, 9154000), (2300, 8935100), (2500, 8220292), (2875, 7148080), (3184, 6454375), (3592, 5721250), (3980, 5163500), (4490, 4577000), (4577, 4490000), (4600, 4467550), (4975, 4130800), (5000, 4110146), (5750, 3574040), (7184, 2860625), (7960, 2581750), (8980, 2288500), (9154, 2245000), (9200, 2233775), (9950, 2065400), (10000, 2055073), (10327, 1990000), (11225, 1830800), (11500, 1787020), (14375, 1429616), (15920, 1290875), (17960, 1144250), (18308, 1122500), (19900, 1032700), (20654, 995000), (22450, 915400), (22885, 898000), (23000, 893510), (24875, 826160), (28750, 714808), (35920, 572125), (36616, 561250), (39800, 516350), (41308, 497500), (44900, 457700), (45770, 449000), (46000, 446755), (49750, 413080), (51635, 398000), (56125, 366160), (57500, 357404), (73232, 280625), (79600, 258175), (82616, 248750), (89351, 230000), (89800, 228850), (91540, 224500), (99500, 206540), (103270, 199000), (112250, 183080), (114425, 179600), (115000, 178702), (124375, 165232)]