25557968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 52080000

約数和(自身を除く): 26522032

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 199, 349, 368, 398, 698, 796, 1396, 1592, 2792, 3184, 4577, 5584, 8027, 9154, 16054, 18308, 32108, 36616, 64216, 69451, 73232, 128432, 138902, 277804, 555608, 1111216, 1597373, 3194746, 6389492, 12778984, 25557968]

約数ペア:

[(1, 25557968), (2, 12778984), (4, 6389492), (8, 3194746), (16, 1597373), (23, 1111216), (46, 555608), (92, 277804), (184, 138902), (199, 128432), (349, 73232), (368, 69451), (398, 64216), (698, 36616), (796, 32108), (1396, 18308), (1592, 16054), (2792, 9154), (3184, 8027), (4577, 5584)]