20112592880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{575303}}^1$

素因数の和:575358

約数の個数: 80

約数和(自身を含む): 51363141120

約数和(自身を除く): 31250548240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 4370, 6992, 8740, 17480, 34960, 575303, 1150606, 2301212, 2876515, 4602424, 5753030, 9204848, 10930757, 11506060, 13231969, 21861514, 23012120, 26463938, 43723028, 46024240, 52927876, 54653785, 66159845, 87446056, 105855752, 109307570, 132319690, 174892112, 211711504, 218615140, 251407411, 264639380, 437230280, 502814822, 529278760, 874460560, 1005629644, 1058557520, 1257037055, 2011259288, 2514074110, 4022518576, 5028148220, 10056296440, 20112592880]

約数ペア:

[(1, 20112592880), (2, 10056296440), (4, 5028148220), (5, 4022518576), (8, 2514074110), (10, 2011259288), (16, 1257037055), (19, 1058557520), (20, 1005629644), (23, 874460560), (38, 529278760), (40, 502814822), (46, 437230280), (76, 264639380), (80, 251407411), (92, 218615140), (95, 211711504), (115, 174892112), (152, 132319690), (184, 109307570), (190, 105855752), (230, 87446056), (304, 66159845), (368, 54653785), (380, 52927876), (437, 46024240), (460, 43723028), (760, 26463938), (874, 23012120), (920, 21861514), (1520, 13231969), (1748, 11506060), (1840, 10930757), (2185, 9204848), (3496, 5753030), (4370, 4602424), (6992, 2876515), (8740, 2301212), (17480, 1150606), (34960, 575303)]