25513728

素因数分解:

$2^8\times 3^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 68678400

約数和(自身を除く): 43164672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 139, 192, 239, 256, 278, 384, 417, 478, 556, 717, 768, 834, 956, 1112, 1434, 1668, 1912, 2224, 2868, 3336, 3824, 4448, 5736, 6672, 7648, 8896, 11472, 13344, 15296, 17792, 22944, 26688, 30592, 33221, 35584, 45888, 53376, 61184, 66442, 91776, 99663, 106752, 132884, 183552, 199326, 265768, 398652, 531536, 797304, 1063072, 1594608, 2126144, 3189216, 4252288, 6378432, 8504576, 12756864, 25513728]

約数ペア:

[(1, 25513728), (2, 12756864), (3, 8504576), (4, 6378432), (6, 4252288), (8, 3189216), (12, 2126144), (16, 1594608), (24, 1063072), (32, 797304), (48, 531536), (64, 398652), (96, 265768), (128, 199326), (139, 183552), (192, 132884), (239, 106752), (256, 99663), (278, 91776), (384, 66442), (417, 61184), (478, 53376), (556, 45888), (717, 35584), (768, 33221), (834, 30592), (956, 26688), (1112, 22944), (1434, 17792), (1668, 15296), (1912, 13344), (2224, 11472), (2868, 8896), (3336, 7648), (3824, 6672), (4448, 5736)]