20580451520

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{8821}}^1$

素因数の和:9178

約数の個数: 112

約数和(自身を含む): 51305082048

約数和(自身を除く): 30724630528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 317, 320, 368, 460, 634, 736, 920, 1268, 1472, 1585, 1840, 2536, 3170, 3680, 5072, 6340, 7291, 7360, 8821, 10144, 12680, 14582, 17642, 20288, 25360, 29164, 35284, 36455, 44105, 50720, 58328, 70568, 72910, 88210, 101440, 116656, 141136, 145820, 176420, 202883, 233312, 282272, 291640, 352840, 405766, 466624, 564544, 583280, 705680, 811532, 1014415, 1166560, 1411360, 1623064, 2028830, 2333120, 2796257, 2822720, 3246128, 4057660, 5592514, 6492256, 8115320, 11185028, 12984512, 13981285, 16230640, 22370056, 27962570, 32461280, 44740112, 55925140, 64313911, 64922560, 89480224, 111850280, 128627822, 178960448, 223700560, 257255644, 321569555, 447401120, 514511288, 643139110, 894802240, 1029022576, 1286278220, 2058045152, 2572556440, 4116090304, 5145112880, 10290225760, 20580451520]

約数ペア:

[(1, 20580451520), (2, 10290225760), (4, 5145112880), (5, 4116090304), (8, 2572556440), (10, 2058045152), (16, 1286278220), (20, 1029022576), (23, 894802240), (32, 643139110), (40, 514511288), (46, 447401120), (64, 321569555), (80, 257255644), (92, 223700560), (115, 178960448), (160, 128627822), (184, 111850280), (230, 89480224), (317, 64922560), (320, 64313911), (368, 55925140), (460, 44740112), (634, 32461280), (736, 27962570), (920, 22370056), (1268, 16230640), (1472, 13981285), (1585, 12984512), (1840, 11185028), (2536, 8115320), (3170, 6492256), (3680, 5592514), (5072, 4057660), (6340, 3246128), (7291, 2822720), (7360, 2796257), (8821, 2333120), (10144, 2028830), (12680, 1623064), (14582, 1411360), (17642, 1166560), (20288, 1014415), (25360, 811532), (29164, 705680), (35284, 583280), (36455, 564544), (44105, 466624), (50720, 405766), (58328, 352840), (70568, 291640), (72910, 282272), (88210, 233312), (101440, 202883), (116656, 176420), (141136, 145820)]