25995008

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 57174768

約数和(自身を除く): 31179760

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 73, 104, 107, 128, 146, 208, 214, 256, 292, 416, 428, 584, 832, 856, 949, 1168, 1391, 1664, 1712, 1898, 2336, 2782, 3328, 3424, 3796, 4672, 5564, 6848, 7592, 7811, 9344, 11128, 13696, 15184, 15622, 18688, 22256, 27392, 30368, 31244, 44512, 60736, 62488, 89024, 101543, 121472, 124976, 178048, 203086, 242944, 249952, 356096, 406172, 499904, 812344, 999808, 1624688, 1999616, 3249376, 6498752, 12997504, 25995008]

約数ペア:

[(1, 25995008), (2, 12997504), (4, 6498752), (8, 3249376), (13, 1999616), (16, 1624688), (26, 999808), (32, 812344), (52, 499904), (64, 406172), (73, 356096), (104, 249952), (107, 242944), (128, 203086), (146, 178048), (208, 124976), (214, 121472), (256, 101543), (292, 89024), (416, 62488), (428, 60736), (584, 44512), (832, 31244), (856, 30368), (949, 27392), (1168, 22256), (1391, 18688), (1664, 15622), (1712, 15184), (1898, 13696), (2336, 11128), (2782, 9344), (3328, 7811), (3424, 7592), (3796, 6848), (4672, 5564)]