25817888

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 53887680

約数和(自身を除く): 28069792

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 86, 116, 172, 232, 344, 464, 647, 688, 928, 1247, 1294, 1376, 2494, 2588, 4988, 5176, 9976, 10352, 18763, 19952, 20704, 27821, 37526, 39904, 55642, 75052, 111284, 150104, 222568, 300208, 445136, 600416, 806809, 890272, 1613618, 3227236, 6454472, 12908944, 25817888]

約数ペア:

[(1, 25817888), (2, 12908944), (4, 6454472), (8, 3227236), (16, 1613618), (29, 890272), (32, 806809), (43, 600416), (58, 445136), (86, 300208), (116, 222568), (172, 150104), (232, 111284), (344, 75052), (464, 55642), (647, 39904), (688, 37526), (928, 27821), (1247, 20704), (1294, 19952), (1376, 18763), (2494, 10352), (2588, 9976), (4988, 5176)]