20123910400

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9221}}^1$

素因数の和:9289

約数の個数: 216

約数和(自身を含む): 56096909568

約数和(自身を除く): 35972999168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 64, 80, 88, 100, 110, 124, 128, 155, 160, 176, 200, 220, 248, 256, 275, 310, 320, 341, 352, 400, 440, 496, 550, 620, 640, 682, 704, 775, 800, 880, 992, 1100, 1240, 1280, 1364, 1408, 1550, 1600, 1705, 1760, 1984, 2200, 2480, 2728, 2816, 3100, 3200, 3410, 3520, 3968, 4400, 4960, 5456, 6200, 6400, 6820, 7040, 7936, 8525, 8800, 9221, 9920, 10912, 12400, 13640, 14080, 17050, 17600, 18442, 19840, 21824, 24800, 27280, 34100, 35200, 36884, 39680, 43648, 46105, 49600, 54560, 68200, 70400, 73768, 87296, 92210, 99200, 101431, 109120, 136400, 147536, 184420, 198400, 202862, 218240, 230525, 272800, 285851, 295072, 368840, 405724, 436480, 461050, 507155, 545600, 571702, 590144, 737680, 811448, 922100, 1014310, 1091200, 1143404, 1180288, 1429255, 1475360, 1622896, 1844200, 2028620, 2182400, 2286808, 2360576, 2535775, 2858510, 2950720, 3144361, 3245792, 3688400, 4057240, 4573616, 5071550, 5717020, 5901440, 6288722, 6491584, 7146275, 7376800, 8114480, 9147232, 10143100, 11434040, 11802880, 12577444, 12983168, 14292550, 14753600, 15721805, 16228960, 18294464, 20286200, 22868080, 25154888, 25966336, 28585100, 29507200, 31443610, 32457920, 36588928, 40572400, 45736160, 50309776, 57170200, 59014400, 62887220, 64915840, 73177856, 78609025, 81144800, 91472320, 100619552, 114340400, 125774440, 129831680, 157218050, 162289600, 182944640, 201239104, 228680800, 251548880, 314436100, 324579200, 365889280, 402478208, 457361600, 503097760, 628872200, 649158400, 804956416, 914723200, 1006195520, 1257744400, 1829446400, 2012391040, 2515488800, 4024782080, 5030977600, 10061955200, 20123910400]

約数ペア:

[(1, 20123910400), (2, 10061955200), (4, 5030977600), (5, 4024782080), (8, 2515488800), (10, 2012391040), (11, 1829446400), (16, 1257744400), (20, 1006195520), (22, 914723200), (25, 804956416), (31, 649158400), (32, 628872200), (40, 503097760), (44, 457361600), (50, 402478208), (55, 365889280), (62, 324579200), (64, 314436100), (80, 251548880), (88, 228680800), (100, 201239104), (110, 182944640), (124, 162289600), (128, 157218050), (155, 129831680), (160, 125774440), (176, 114340400), (200, 100619552), (220, 91472320), (248, 81144800), (256, 78609025), (275, 73177856), (310, 64915840), (320, 62887220), (341, 59014400), (352, 57170200), (400, 50309776), (440, 45736160), (496, 40572400), (550, 36588928), (620, 32457920), (640, 31443610), (682, 29507200), (704, 28585100), (775, 25966336), (800, 25154888), (880, 22868080), (992, 20286200), (1100, 18294464), (1240, 16228960), (1280, 15721805), (1364, 14753600), (1408, 14292550), (1550, 12983168), (1600, 12577444), (1705, 11802880), (1760, 11434040), (1984, 10143100), (2200, 9147232), (2480, 8114480), (2728, 7376800), (2816, 7146275), (3100, 6491584), (3200, 6288722), (3410, 5901440), (3520, 5717020), (3968, 5071550), (4400, 4573616), (4960, 4057240), (5456, 3688400), (6200, 3245792), (6400, 3144361), (6820, 2950720), (7040, 2858510), (7936, 2535775), (8525, 2360576), (8800, 2286808), (9221, 2182400), (9920, 2028620), (10912, 1844200), (12400, 1622896), (13640, 1475360), (14080, 1429255), (17050, 1180288), (17600, 1143404), (18442, 1091200), (19840, 1014310), (21824, 922100), (24800, 811448), (27280, 737680), (34100, 590144), (35200, 571702), (36884, 545600), (39680, 507155), (43648, 461050), (46105, 436480), (49600, 405724), (54560, 368840), (68200, 295072), (70400, 285851), (73768, 272800), (87296, 230525), (92210, 218240), (99200, 202862), (101431, 198400), (109120, 184420), (136400, 147536)]