25257968

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 50673840

約数和(自身を除く): 25415872

約数列:

[1, 2, 4, 8, 16, 41, 82, 139, 164, 277, 278, 328, 554, 556, 656, 1108, 1112, 2216, 2224, 4432, 5699, 11357, 11398, 22714, 22796, 38503, 45428, 45592, 77006, 90856, 91184, 154012, 181712, 308024, 616048, 1578623, 3157246, 6314492, 12628984, 25257968]

約数ペア:

[(1, 25257968), (2, 12628984), (4, 6314492), (8, 3157246), (16, 1578623), (41, 616048), (82, 308024), (139, 181712), (164, 154012), (277, 91184), (278, 90856), (328, 77006), (554, 45592), (556, 45428), (656, 38503), (1108, 22796), (1112, 22714), (2216, 11398), (2224, 11357), (4432, 5699)]