85317320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2118

約数の個数: 64

約数和(自身を含む): 211680000

約数和(自身を除く): 126362680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1940, 1999, 2134, 3880, 3998, 4268, 5335, 7996, 8536, 9995, 10670, 15992, 19990, 21340, 21989, 39980, 42680, 43978, 79960, 87956, 109945, 175912, 193903, 219890, 387806, 439780, 775612, 879560, 969515, 1551224, 1939030, 2132933, 3878060, 4265866, 7756120, 8531732, 10664665, 17063464, 21329330, 42658660, 85317320]

約数ペア:

[(1, 85317320), (2, 42658660), (4, 21329330), (5, 17063464), (8, 10664665), (10, 8531732), (11, 7756120), (20, 4265866), (22, 3878060), (40, 2132933), (44, 1939030), (55, 1551224), (88, 969515), (97, 879560), (110, 775612), (194, 439780), (220, 387806), (388, 219890), (440, 193903), (485, 175912), (776, 109945), (970, 87956), (1067, 79960), (1940, 43978), (1999, 42680), (2134, 39980), (3880, 21989), (3998, 21340), (4268, 19990), (5335, 15992), (7996, 10670), (8536, 9995)]