4223680

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 56

約数和(自身を含む): 10259568

約数和(自身を除く): 6035888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 197, 268, 320, 335, 394, 536, 670, 788, 985, 1072, 1340, 1576, 1970, 2144, 2680, 3152, 3940, 4288, 5360, 6304, 7880, 10720, 12608, 13199, 15760, 21440, 26398, 31520, 52796, 63040, 65995, 105592, 131990, 211184, 263980, 422368, 527960, 844736, 1055920, 2111840, 4223680]

約数ペア:

[(1, 4223680), (2, 2111840), (4, 1055920), (5, 844736), (8, 527960), (10, 422368), (16, 263980), (20, 211184), (32, 131990), (40, 105592), (64, 65995), (67, 63040), (80, 52796), (134, 31520), (160, 26398), (197, 21440), (268, 15760), (320, 13199), (335, 12608), (394, 10720), (536, 7880), (670, 6304), (788, 5360), (985, 4288), (1072, 3940), (1340, 3152), (1576, 2680), (1970, 2144)]