202069520

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 480504960

約数和(自身を除く): 278435440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 137, 179, 206, 274, 358, 412, 515, 548, 685, 716, 824, 895, 1030, 1096, 1370, 1432, 1648, 1790, 2060, 2192, 2740, 2864, 3580, 4120, 5480, 7160, 8240, 10960, 14111, 14320, 18437, 24523, 28222, 36874, 49046, 56444, 70555, 73748, 92185, 98092, 112888, 122615, 141110, 147496, 184370, 196184, 225776, 245230, 282220, 294992, 368740, 392368, 490460, 564440, 737480, 980920, 1128880, 1474960, 1961840, 2525869, 5051738, 10103476, 12629345, 20206952, 25258690, 40413904, 50517380, 101034760, 202069520]

約数ペア:

[(1, 202069520), (2, 101034760), (4, 50517380), (5, 40413904), (8, 25258690), (10, 20206952), (16, 12629345), (20, 10103476), (40, 5051738), (80, 2525869), (103, 1961840), (137, 1474960), (179, 1128880), (206, 980920), (274, 737480), (358, 564440), (412, 490460), (515, 392368), (548, 368740), (685, 294992), (716, 282220), (824, 245230), (895, 225776), (1030, 196184), (1096, 184370), (1370, 147496), (1432, 141110), (1648, 122615), (1790, 112888), (2060, 98092), (2192, 92185), (2740, 73748), (2864, 70555), (3580, 56444), (4120, 49046), (5480, 36874), (7160, 28222), (8240, 24523), (10960, 18437), (14111, 14320)]