25261984

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1733

約数の個数: 48

約数和(自身を含む): 55550880

約数和(自身を除く): 30288896

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1376, 1669, 1892, 3338, 3784, 6676, 7568, 13352, 15136, 18359, 26704, 36718, 53408, 71767, 73436, 143534, 146872, 287068, 293744, 574136, 587488, 789437, 1148272, 1578874, 2296544, 3157748, 6315496, 12630992, 25261984]

約数ペア:

[(1, 25261984), (2, 12630992), (4, 6315496), (8, 3157748), (11, 2296544), (16, 1578874), (22, 1148272), (32, 789437), (43, 587488), (44, 574136), (86, 293744), (88, 287068), (172, 146872), (176, 143534), (344, 73436), (352, 71767), (473, 53408), (688, 36718), (946, 26704), (1376, 18359), (1669, 15136), (1892, 13352), (3338, 7568), (3784, 6676)]