51331840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 149228352

約数和(自身を除く): 97896512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 337, 340, 448, 476, 544, 560, 595, 640, 674, 680, 896, 952, 1088, 1120, 1190, 1280, 1348, 1360, 1685, 1792, 1904, 2176, 2240, 2359, 2380, 2696, 2720, 3370, 3808, 4352, 4480, 4718, 4760, 5392, 5440, 5729, 6740, 7616, 8960, 9436, 9520, 10784, 10880, 11458, 11795, 13480, 15232, 18872, 19040, 21568, 21760, 22916, 23590, 26960, 28645, 30464, 37744, 38080, 40103, 43136, 45832, 47180, 53920, 57290, 75488, 76160, 80206, 86272, 91664, 94360, 107840, 114580, 150976, 152320, 160412, 183328, 188720, 200515, 215680, 229160, 301952, 320824, 366656, 377440, 401030, 431360, 458320, 603904, 641648, 733312, 754880, 802060, 916640, 1283296, 1466624, 1509760, 1604120, 1833280, 2566592, 3019520, 3208240, 3666560, 5133184, 6416480, 7333120, 10266368, 12832960, 25665920, 51331840]

約数ペア:

[(1, 51331840), (2, 25665920), (4, 12832960), (5, 10266368), (7, 7333120), (8, 6416480), (10, 5133184), (14, 3666560), (16, 3208240), (17, 3019520), (20, 2566592), (28, 1833280), (32, 1604120), (34, 1509760), (35, 1466624), (40, 1283296), (56, 916640), (64, 802060), (68, 754880), (70, 733312), (80, 641648), (85, 603904), (112, 458320), (119, 431360), (128, 401030), (136, 377440), (140, 366656), (160, 320824), (170, 301952), (224, 229160), (238, 215680), (256, 200515), (272, 188720), (280, 183328), (320, 160412), (337, 152320), (340, 150976), (448, 114580), (476, 107840), (544, 94360), (560, 91664), (595, 86272), (640, 80206), (674, 76160), (680, 75488), (896, 57290), (952, 53920), (1088, 47180), (1120, 45832), (1190, 43136), (1280, 40103), (1348, 38080), (1360, 37744), (1685, 30464), (1792, 28645), (1904, 26960), (2176, 23590), (2240, 22916), (2359, 21760), (2380, 21568), (2696, 19040), (2720, 18872), (3370, 15232), (3808, 13480), (4352, 11795), (4480, 11458), (4718, 10880), (4760, 10784), (5392, 9520), (5440, 9436), (5729, 8960), (6740, 7616)]