25400576

素因数分解:

$2^8\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 51024372

約数和(自身を除く): 25623796

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 313, 317, 626, 634, 1252, 1268, 2504, 2536, 5008, 5072, 10016, 10144, 20032, 20288, 40064, 40576, 80128, 81152, 99221, 198442, 396884, 793768, 1587536, 3175072, 6350144, 12700288, 25400576]

約数ペア:

[(1, 25400576), (2, 12700288), (4, 6350144), (8, 3175072), (16, 1587536), (32, 793768), (64, 396884), (128, 198442), (256, 99221), (313, 81152), (317, 80128), (626, 40576), (634, 40064), (1252, 20288), (1268, 20032), (2504, 10144), (2536, 10016), (5008, 5072)]