2001428480

素因数分解:

$2^{13}\times 5^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:535

約数の個数: 112

約数和(自身を含む): 4852775664

約数和(自身を除く): 2851347184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 256, 262, 320, 373, 512, 524, 640, 655, 746, 1024, 1048, 1280, 1310, 1492, 1865, 2048, 2096, 2560, 2620, 2984, 3730, 4096, 4192, 5120, 5240, 5968, 7460, 8192, 8384, 10240, 10480, 11936, 14920, 16768, 20480, 20960, 23872, 29840, 33536, 40960, 41920, 47744, 48863, 59680, 67072, 83840, 95488, 97726, 119360, 134144, 167680, 190976, 195452, 238720, 244315, 268288, 335360, 381952, 390904, 477440, 488630, 536576, 670720, 763904, 781808, 954880, 977260, 1073152, 1341440, 1527808, 1563616, 1909760, 1954520, 2682880, 3055616, 3127232, 3819520, 3909040, 5365760, 6254464, 7639040, 7818080, 12508928, 15278080, 15636160, 25017856, 31272320, 50035712, 62544640, 100071424, 125089280, 200142848, 250178560, 400285696, 500357120, 1000714240, 2001428480]

約数ペア:

[(1, 2001428480), (2, 1000714240), (4, 500357120), (5, 400285696), (8, 250178560), (10, 200142848), (16, 125089280), (20, 100071424), (32, 62544640), (40, 50035712), (64, 31272320), (80, 25017856), (128, 15636160), (131, 15278080), (160, 12508928), (256, 7818080), (262, 7639040), (320, 6254464), (373, 5365760), (512, 3909040), (524, 3819520), (640, 3127232), (655, 3055616), (746, 2682880), (1024, 1954520), (1048, 1909760), (1280, 1563616), (1310, 1527808), (1492, 1341440), (1865, 1073152), (2048, 977260), (2096, 954880), (2560, 781808), (2620, 763904), (2984, 670720), (3730, 536576), (4096, 488630), (4192, 477440), (5120, 390904), (5240, 381952), (5968, 335360), (7460, 268288), (8192, 244315), (8384, 238720), (10240, 195452), (10480, 190976), (11936, 167680), (14920, 134144), (16768, 119360), (20480, 97726), (20960, 95488), (23872, 83840), (29840, 67072), (33536, 59680), (40960, 48863), (41920, 47744)]