25219328

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 53961600

約数和(自身を除く): 28742272

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 64, 79, 86, 116, 128, 158, 172, 232, 256, 316, 344, 464, 632, 688, 928, 1247, 1264, 1376, 1856, 2291, 2494, 2528, 2752, 3397, 3712, 4582, 4988, 5056, 5504, 6794, 7424, 9164, 9976, 10112, 11008, 13588, 18328, 19952, 20224, 27176, 36656, 39904, 54352, 73312, 79808, 98513, 108704, 146624, 159616, 197026, 217408, 293248, 319232, 394052, 434816, 586496, 788104, 869632, 1576208, 3152416, 6304832, 12609664, 25219328]

約数ペア:

[(1, 25219328), (2, 12609664), (4, 6304832), (8, 3152416), (16, 1576208), (29, 869632), (32, 788104), (43, 586496), (58, 434816), (64, 394052), (79, 319232), (86, 293248), (116, 217408), (128, 197026), (158, 159616), (172, 146624), (232, 108704), (256, 98513), (316, 79808), (344, 73312), (464, 54352), (632, 39904), (688, 36656), (928, 27176), (1247, 20224), (1264, 19952), (1376, 18328), (1856, 13588), (2291, 11008), (2494, 10112), (2528, 9976), (2752, 9164), (3397, 7424), (3712, 6794), (4582, 5504), (4988, 5056)]